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Country | Disputes - international

Afghanistan

most Afghan refugees in Pakistan have been repatriated, but thousands still remain in Iran, many at their own choosing; Coalition and Pakistani forces continue to patrol remote tribal areas to control the borders and stem organized terrorist and other illegal cross-border activities; regular meetings between Pakistani and Coalition allies aim to resolve periodic claims of boundary encroachments; regional conflicts over water-sharing arrangements with Amu Darya and Helmand River states

Albania

the Albanian Government calls for the protection of the rights of ethnic Albanians in neighboring countries, and the peaceful resolution of interethnic disputes; some ethnic Albanian groups in neighboring countries advocate for a "greater Albania," but the idea has little appeal among Albanian nationals; thousands of unemployed Albanians emigrate annually to nearby Italy and other developed countries

Algeria

Algeria supports the exiled Sahrawi Polisario Front and rejects Moroccan administration of Western Sahara; Algeria's border with Morocco remains an irritant to bilateral relations; each nation has accused the other of harboring militants and arms smuggling; in an attempt to improve relations after unilaterally imposing a visa requirement on Algerians in the early 1990s, Morocco lifted the requirement in mid-2004 - a gesture not reciprocated by Algeria; Algeria remains concerned about armed bandits operating throughout the Sahel who sometimes destabilize southern Algerian towns; dormant disputes include Libyan claims of about 32,000 sq km still reflected on its maps of southeastern Algeria and the FLN's assertions of a claim to Chirac Pastures in southeastern Morocco

American Samoa | none
Andorra | none
Angola | many Cabinda exclave secessionists have sought shelter in neighboring states
Anguilla | none

Antarctica

Antarctic Treaty freezes claims (see Antarctic Treaty Summary in Government type entry); Argentina, Australia, Chile, France, NZ, Norway, and UK claim land and maritime sectors (some overlapping) for a large portion of the continent; the US and many other states do not recognize these territorial claims and have made no claims themselves (the US and Russia reserve the right to do so); no claims have been made in the sector between 90 degrees west and 150 degrees west; several states with territorial claims in Antarctica have expressed their intention to submit data to the UN Commission on the Limits of the Continental Shelf to extend their continental shelf claims to adjoining undersea ridges

Antigua and Barbuda | none
Arctic Ocean | some maritime disputes (see littoral states)

Argentina

Argentina continues to assert its claims to the UK-administered Falkland Islands (Islas Malvinas) and South Georgia and the South Sandwich Islands in its constitution, forcibly occupying the Falklands in 1982, but in 1995 agreed no longer to seek settlement by force; territorial claim in Antarctica partially overlaps UK and Chilean claims (see Antarctic disputes); unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and illegal narcotics trafficking, and fundraising for extremist organizations; uncontested dispute between Brazil and Uruguay over Braziliera Island in the Quarai/Cuareim River leaves the tripoint with Argentina in question

Armenia

Armenia supports ethnic Armenian secessionists in Nagorno-Karabakh and since the early 1990s, has militarily occupied 16% of Azerbaijan - Organization for Security and Cooperation in Europe (OSCE) continues to mediate dispute; over 800,000 mostly ethnic Azerbaijanis were driven from the occupied lands and Armenia; about 230,000 ethnic Armenians were driven from their homes in Azerbaijan into Armenia; Azerbaijan seeks transit route through Armenia to connect to Naxcivan exclave; border with Turkey remains closed over Nagorno-Karabakh dispute; ethnic Armenian groups in Javakheti region of Georgia seek greater autonomy; tens of thousands of Armenians emigrate, primarily to Russia, to seek employment

Aruba | none
Ashmore and Cartier Islands | Indonesian groups challenge Australia's claim to Ashmore Reef; Australia has closed the surrounding waters to Indonesian traditional fishing and created a national park in the region while continuing to prospect for hydrocarbons in the vicinity
Atlantic Ocean | some maritime disputes (see littoral states)

Australia

East Timor and Australia agreed in 2005 to defer the disputed portion of the boundary for fifty years and to split hydrocarbon revenues evenly outside the Joint Petroleum Development Area covered by the 2002 Timor Sea Treaty; East Timor dispute hampers creation of a revised maritime boundary with Indonesia (see also Ashmore and Cartier Islands dispute); regional states express concern over Australia's 2004 declaration of a 1,000-nautical mile-wide maritime identification zone; Australia asserts land and maritime claims to Antarctica (see Antarctica); in 2004 Australia submitted its claims to UN Commission on the Limits of the Continental Shelf (CLCS) to extend its continental margin from both its mainland and Antarctic claims

Austria | Austrian anti-nuclear activists have revived blockades of the Czech-Austrian border to protest operation of the Temelin nuclear power plant in the Czech Republic

Azerbaijan

Armenia supports ethnic Armenian secessionists in Nagorno-Karabakh and since the early 1990s has militarily occupied 16% of Azerbaijan; over 800,000 mostly ethnic Azerbaijanis were driven from the occupied lands and Armenia; about 230,000 ethnic Armenians were driven from their homes in Azerbaijan into Armenia; Azerbaijan seeks transit route through Armenia to connect to Naxcivan exclave; Organization for Security and Cooperation in Europe (OSCE) continues to mediate dispute; Azerbaijan, Kazakhstan, and Russia ratify Caspian seabed delimitation treaties based on equidistance, while Iran continues to insist on an even one-fifth allocation and challenges Azerbaijan's hydrocarbon exploration in disputed waters; bilateral talks continue with Turkmenistan on dividing the seabed and contested oilfields in the middle of the Caspian; Azerbaijan and Georgia continue to discuss the alignment of their boundary at certain crossing areas

Bahamas, The | disagrees with the US on the alignment of the maritime boundary; continues to monitor and interdict Haitian refugees fleeing economic privation and political instability
Bahrain | none
Baker Island | none

Bangladesh

discussions with India remain stalled to delimit a small section of river boundary, exchange 162 miniscule enclaves in both countries, allocate divided villages, and stop illegal cross-border trade, migration, violence, and transit of terrorists through the porous border; Bangladesh resists India's attempts to fence or wall off high-traffic sections of the porous boundary; a joint Bangladesh-India boundary inspection in 2005 revealed 92 pillars are missing; dispute with India over New Moore/South Talpatty/Purbasha Island in the Bay of Bengal deters maritime boundary delimitation; Burmese Muslim refugees strain Bangladesh's meager resources

Barbados

in 2005, Barbados and Trinidad and Tobago agreed to compulsory international arbitration that will result in a binding award challenging whether the northern limit of Trinidad and Tobago's and Venezuela's maritime boundary extends into Barbadian waters and the southern limit of Barbadian traditional fishing; joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under the UN Convention on the Law of the Sea (UNCLOS), which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea

Bassas da India | claimed by Madagascar
Belarus | 1997 boundary treaty with Ukraine remains unratified over unresolved financial claims, preventing demarcation and diminishing border security; the whole boundary with Latvia and more than half the boundary with Lithuania remains undemarcated; discussions toward economic and political union with Russia proceed slowly
Belgium | none
Belize | Guatemalan squatters continue to settle in the largely uninhabited rain forests of Belize's border region; OAS seeks to revive the 2002 failed Belize-Guatemala Differendum that created a small adjustment to land boundary, a Guatemalan maritime corridor in Caribbean, joint ecological park for disputed Sapodilla Cays, and substantial US-UK financial package

Benin

Benin and Burkina Faso military clash in 2006 over sections of riverine boundary involving disputed villages and squatters; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated; in 2005, Nigeria ceded thirteen villages to Benin as a consequence of a 2004 joint task force to resolve maritime and land boundary disputes, but clashes among rival gangs along the border persist; a joint boundary commission continues to resurvey the boundary with Togo to verify Benin's claim that Togo moved boundary stones

Bermuda | none
Bhutan | approximately 105,000 Bhutanese have lived decades as refugees in Nepal, 90% of whom reside in seven UN Office of the High Commissioner for Refugees camps; Bhutan cooperates with India to expel Indian separatists
Bolivia | Chile rebuffs Bolivia's reactivated claim to restore the Atacama corridor, ceded to Chile in 1884, offering instead unrestricted but not sovereign maritime access through Chile for Bolivian natural gas and other commodities
Bosnia and Herzegovina | Bosnia and Herzegovina and Serbia and Montenegro have delimited most of their boundary, but sections along the Drina River remain in dispute; discussions continue with Croatia on several small disputed sections of the boundary related to maritime access that hinder ratification of the 1999 border agreement

Botswana

commission established with Namibia has yet to resolve small residual disputes along the Caprivi Strip, including the Situngu marshlands along the Linyanti River; downstream Botswana residents protest Namibia's planned construction of the Okavango hydroelectric dam at Popavalle (Popa Falls); Botswana has built electric fences to stem the thousands of Zimbabweans who flee to find work and escape political persecution; Namibia has long supported and in 2004 Zimbabwe dropped objections to plans between Botswana and Zambia to build a bridge over the Zambezi River, thereby de facto recognizing their short, but not clearly delimited Botswana-Zambia boundary

Bouvet Island | none

Brazil

unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and illegal narcotics trafficking, and fundraising for extremist organizations; uncontested dispute with Uruguay over certain islands in the Quarai/Cuareim and Invernada boundary streams and the resulting tripoint with Argentina; in 2004 Brazil submitted its claims to the United Nations Convention on the Law of the Sea (UNCLOS) to extend its maritime continental margin

British Indian Ocean Territory

Mauritius and Seychelles claim the Chagos Archipelago including Diego Garcia; in 2001 the former inhabitants of the Chagos Archipelago, evicted in 1965 and now residing chiefly in Mauritius, were granted UK citizenship and the right to repatriation; the UK resists the Chagossians' demand for an immediate return to the islands; repatriation is complicated by the exclusive US military lease of Diego Garcia that restricts access to the largest island in the chain;

British Virgin Islands | none

Brunei

in 2003 Brunei and Malaysia ceased gas and oil exploration in their disputed offshore and deepwater seabeds and negotiations have stalemated prompting consideration of international legal adjudication; Malaysia's land boundary with Brunei around Limbang is in dispute; Brunei established an exclusive economic fishing zone encompassing Louisa Reef in southern Spratly Islands in 1984 but makes no public territorial claim to the offshore reefs; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions in the Spratly Islands but falls short of a legally binding "code of conduct" desired by several of the disputants

Bulgaria | none
Burkina Faso | two villages are in dispute along the border with Benin; Benin accuses Burkina Faso of moving boundary pillars; Burkina Faso border regions remain a staging area for Liberia and Cote d'Ivoire rebels and an asylum for refugees caught in local fighting; the Ivoirian Government accuses Burkina Faso of sheltering Ivoirian rebels

Burma

over half of Burma's population consists of diverse ethnic groups with substantial numbers of kin beyond its borders; despite continuing border committee talks, significant differences remain with Thailand over boundary alignment and the handling of ethnic rebels, refugees, and illegal cross-border activities; ethnic Karens flee into Thailand to escape fighting between Karen rebels and Burmese troops; in 2005 Thailand sheltered about 121,000 Burmese refugees; Karens also protest Thai support for a Burmese hydroelectric dam on the Salween River near the border; environmentalists in Burma and Thailand continue to voice concern over China's construction of hydroelectric dams upstream on the Nujiang/Salween River in Yunnan Province; India seeks cooperation from Burma to keep Indian Nagaland separatists from hiding in remote Burmese uplands

Burundi

Tutsi, Hutu, other conflicting ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in the Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda in an effort to gain control over populated and natural resource areas; government heads pledge to end conflict, but localized violence continues despite the presence of about 6,000 peacekeepers from the UN Operation in Burundi (ONUB) since 2004; although some 150,000 Burundian refugees have been repatriated, as of February 2005, Burundian refugees still reside in camps in western Tanzania as well as the Democratic Republic of the Congo

Cambodia

Southeast Asian states have enhanced border surveillance to check the spread of avian flu; Cambodia and Thailand dispute sections of boundary with missing boundary markers and Thai encroachments into Cambodian territory; maritime boundary with Vietnam is hampered by unresolved dispute over offshore islands; Cambodia accuses Thailand of obstructing access to Preah Vihear temple ruins awarded to Cambodia by ICJ decision in 1962; in 2004, Cambodian-Laotian and Laotian-Vietnamese boundary commissions re-erected missing markers completing most of their demarcations

Cameroon

ICJ ruled in 2002 on the entire Cameroon-Nigeria land and maritime boundary but the parties formed a Joint Border Commission, which continues to meet regularly to resolve differences bilaterally and have commenced with demarcation in less-contested sections of the boundary, starting in Lake Chad in the north; implementation of the ICJ ruling on the Cameroon-Equatorial Guinea-Nigeria maritime boundary in the Gulf of Guinea is impeded by imprecisely defined coordinates, the unresolved Bakassi allocation, and a sovereignty dispute between Equatorial Guinea and Cameroon over an island at the mouth of the Ntem River; Nigeria initially rejected cession of the Bakasi Peninsula, then agreed, but has yet to withdraw its forces while much of the indigenous population opposes cession; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty which also includes the Chad-Niger and Niger-Nigeria boundaries

Canada | managed maritime boundary disputes with the US at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the disputed Machias Seal Island and North Rock; working toward greater cooperation with US in monitoring people and commodities crossing the border; uncontested sovereignty dispute with Denmark over Hans Island in the Kennedy Channel between Ellesmere Island and Greenland
Cape Verde | none
Cayman Islands | none
Central African Republic | about 30,000 refugees fleeing the 2002 civil conflict in the CAR still reside in southern Chad; periodic skirmishes over water and grazing rights among related pastoral populations along the border with southern Sudan persist

Chad

since the expulsions of residents from Darfur in 2003 by Janjawid armed militia and Sudanese military, about 200,000 refugees remain in eastern Chad; Chad remains an important mediator in the Sudanese civil conflict, reducing tensions with Sudan arising from cross-border banditry; Chadian Aozou rebels reside in southern Libya; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty, which also includes the Chad-Niger and Niger-Nigeria boundaries

Chile

Chile rebuffs Bolivia's reactivated claim to restore the Atacama corridor, ceded to Chile in 1884, offering instead unrestricted but not sovereign maritime access through Chile to Bolivian gas and other commodities; Peru proposes changing its latitudinal maritime boundary with Chile to an equidistance line with a southwestern axis; territorial claim in Antarctica (Chilean Antarctic Territory) partially overlaps Argentine and British claims

China

in 2005, China and India initiated drafting principles to resolve all aspects of their extensive boundary and territorial disputes together with a security and foreign policy dialogue to consolidate discussions related to the boundary, regional nuclear proliferation, and other matters; recent talks and confidence-building measures have begun to defuse tensions over Kashmir, site of the world's largest and most militarized territorial dispute with portions under the de facto administration of China (Aksai Chin), India (Jammu and Kashmir), and Pakistan (Azad Kashmir and Northern Areas); India does not recognize Pakistan's ceding historic Kashmir lands to China in 1964; about 90,000 ethnic Tibetan exiles reside primarily in India as well as Nepal and Bhutan; China asserts sovereignty over the Spratly Islands together with Malaysia, Philippines, Taiwan, Vietnam, and possibly Brunei; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions in the Spratlys but is not the legally binding "code of conduct" sought by some parties; Vietnam and China continue to expand construction of facilities in the Spratlys and in March 2005, the national oil companies of China, the Philippines, and Vietnam signed a joint accord on marine seismic activities in the Spratly Islands; China occupies some of the Paracel Islands also claimed by Vietnam and Taiwan; China and Taiwan have become more vocal in rejecting both Japan's claims to the uninhabited islands of Senkaku-shoto (Diaoyu Tai) and Japan's unilaterally declared equidistance line in the East China Sea, the site of intensive hydrocarbon prospecting; certain islands in the Yalu and Tumen rivers are in an uncontested dispute with North Korea and a section of boundary around Mount Paektu is considered indefinite; China seeks to stem illegal migration of tens of thousands of North Koreans; China and Russia prepare to demarcate the boundary agreed to in October 2004 between the long-disputed islands at the Amur and Ussuri; demarcation of the China-Vietnam boundary proceeds slowly and although the maritime boundary delimitation and fisheries agreements were ratified in June 2004, implementation has been delayed; environmentalists in Burma and Thailand remain concerned about China's construction of hydroelectric dams upstream on the Nujiang/Salween River in Yunnan Province

Christmas Island | none
Clipperton Island | none
Cocos (Keeling) Islands | none

Colombia

Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over disputed maritime boundary involving 50,000 sq km in the Caribbean Sea, including the Archipelago de San Andres y Providencia and Quita Sueno Bank; dispute with Venezuela over maritime boundary and Los Monjes Islands near the Gulf of Venezuela; Colombian-organized illegal narcotics, guerrilla, and paramilitary activities penetrate all of its neighbors' borders and have created a serious refugee crisis with over 300,000 persons having fled the country, mostly into neighboring states

Comoros | claims French-administered Mayotte

Congo, Democratic Republic of the

heads of the Great Lakes states and UN pledge to end conflict but unchecked tribal, rebel, and militia fighting continues unabated in the northeastern region of the Democratic Republic of the Congo, drawing in the neighboring states of Burundi, Rwanda and Uganda; the UN Organization Mission in the Democratic Republic of the Congo (MONUC) has maintained over 14,000 peacekeepers in the region since 1999; thousands of Ituri refugees from the Congo continue to flee the fighting primarily into Uganda; 90,000 Angolan refugees were repatriated by 2004 with the remainder in the DRC expected to return in 2005; in 2005, DRC and Rwanda established a border verification mechanism to address accusations of Rwandan military supporting Congolese rebels and the DRC providing rebel Rwandan "Interhamwe" forces the means and bases to attack Rwandan forces; the location of the boundary in the broad Congo River with the Republic of the Congo is indefinite except in the Pool Malebo/Stanley Pool area

Congo, Republic of the | about 7,000 Congolese refugees fleeing internal civil conflicts since the mid-1990s still reside in the Democratic Republic of the Congo; the location of the boundary in the broad Congo River with the Democratic Republic of the Congo is indefinite except in the Pool Malebo/Stanley Pool area
Cook Islands | none
Coral Sea Islands | none
Costa Rica | in September 2005, Costa Rica took its case before the ICJ to advocate the navigation, security, and commercial rights of Costa Rican vessels using the Río San Juan over which Nicaragua retains sovereignty

Cote d'Ivoire

rebel and ethnic fighting against the central government in 2002 has spilled into neighboring states, driven out foreign cocoa workers from nearby countries, and, in 2004, resulted in 6,000 peacekeepers deployed as part of UN Operation in Cote d'Ivoire (UNOCI) assisting 4,000 French troops already in-country; the Ivorian Government accuses Burkina Faso and Liberia of supporting Ivorian rebels

Croatia

discussions continue with Bosnia and Herzegovina over several small disputed sections of the boundary related to maritime access that hinders ratification of the 1999 border agreement; the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Pirin Bay and maritime access to Slovenia and several villages to Croatia, remains un-ratified and in dispute; as a European Union peripheral state, neighboring Slovenia must conform to the strict Schengen border rules to curb illegal migration and commerce through southeastern Europe while encouraging close cross-border ties with Croatia

Cuba | US Naval Base at Guantanamo Bay is leased to US and only mutual agreement or US abandonment of the area can terminate the lease

Cyprus

hostilities in 1974 divided the island into two de facto autonomous entities, the internationally recognized Cypriot Government and a Turkish-Cypriot community (north Cyprus); the 1,000-strong UN Peacekeeping Force in Cyprus (UNFICYP) has served in Cyprus since 1964 and maintains the buffer zone between north and south; March 2003 reunification talks failed, but Turkish-Cypriots later opened their borders to temporary visits by Greek Cypriots; on 24 April 2004, the Greek Cypriot and Turkish Cypriot communities voted in simultaneous and parallel referenda on whether to approve the UN-brokered Annan Plan that would have ended the 30-year division of the island by establishing a new "United Cyprus Republic," a majority of Greek Cypriots voted "no"; on 1 May 2004, Cyprus entered the European Union still divided, with the EU's body of legislation and standards (acquis communitaire) suspended in the north

Czech Republic

in February 2005, the ICJ refused to rule on the restitution of Liechtenstein's land and property assets in the Czech Republic confiscated in 1945 as German property; individual Sudeten Germans seek restitution for property confiscated in connection with their expulsion from Czechoslovakia after World War II; Austrian anti-nuclear activists have revived blockades of the Czech-Austrian border to protest operation of the Temelin nuclear power plant in the Czech Republic

Denmark | Iceland disputes the Faroe Islands' fisheries median line; Iceland, the UK, and Ireland dispute Denmark's claim that the Faroe Islands' continental shelf extends beyond 200 nm; Faroese continue to study proposals for full independence; uncontested sovereignty dispute with Canada over Hans Island in the Kennedy Channel between Ellesmere Island and Greenland
Djibouti | Djibouti maintains economic ties and border accords with "Somaliland" leadership while maintaining some political ties to various factions in Somalia; thousands of Somali refugees await repatriation in UNHCR camps in Djibouti

Dominica

Dominica is the only Caribbean state to challenge Venezuela's sovereignty claim over Aves Island and joins the other island nations in challenging whether the feature sustains human habitation, a criterion under the UN Convention on the Law of the Sea (UNCLOS), which permits Venezuela to extend its Exclusive Economic Zone (EEZ) and continental shelf claims over a large portion of the Caribbean Sea

Dominican Republic | increasing numbers of illegal migrants from the Dominican Republic cross the Mona Passage each year to Puerto Rico to find work

East Timor

UN Mission of Support in East Timor (UNMISET) has maintained about 1,000 peacekeepers in East Timor since 2002; East Timor-Indonesia Boundary Committee continues to meet, survey, and delimit the land boundary, but several sections of the boundary especially around the Oekussi enclave remain unresolved; Indonesia and East Timor contest the sovereignty of the uninhabited coral island of Pulau Batek/Fatu Sinai, which prevents delimitation of the northern maritime boundaries; many refugees who left East Timor in 2003 still reside in Indonesia and refuse repatriation; Australia and East Timor agreed in 2005 to defer the disputed portion of the boundary for fifty years and to split hydrocarbon revenues evenly outside the Joint Petroleum Development Area covered by the 2002 Timor Sea Treaty; dispute with Australia also hampers creation of a southern maritime boundary with Indonesia

Ecuador | organized illegal narcotics operations in Colombia penetrate across Ecuador's shared border and caused over 20,000 refugees to flee into Ecuador in 2004

Egypt

Egypt and Sudan retain claims to administer the two triangular areas that extend north and south of the 1899 Treaty boundary along the 22nd Parallel, but have withdrawn their military presence; Egypt is developing the Hala'ib Triangle north of the Treaty line; since the attack on Taba and other Egyptian resort towns on the Red Sea in October 2004, Egypt vigilantly monitors the Sinai and borders with Israel and the Gaza Strip; Egypt does not extend domestic asylum to some 70,000 persons who identify themselves as Palestinians but who largely lack UNRWA assistance and, until recently, UNHCR recognition as refugees

El Salvador

in 1992, the International Court of Justice (ICJ) ruled on the delimitation of "bolsones" (disputed areas) along the El Salvador-Honduras boundary, but despite Organization of American States (OAS) intervention and a further ICJ ruling in 2003, full demarcation of the border remains stalled; the 1992 ICJ ruling advised a tripartite resolution to a maritime boundary in the Gulf of Fonseca advocating Honduran access to the Pacific; El Salvador continues to claim tiny Conejo Island, not identified in the ICJ decision, off Honduras in the Gulf of Fonseca

Equatorial Guinea

in 2002, ICJ ruled on an equidistance settlement of Cameroon-Equatorial Guinea-Nigeria maritime boundary in the Gulf of Guinea, but a dispute between Equatorial Guinea and Cameroon over an island at the mouth of the Ntem River, imprecisely defined maritime coordinates in the ICJ decision, and the unresolved Bakasi allocation contribute to the delay in implementation; UN has been pressing Equatorial Guinea and Gabon to pledge to resolve the sovereignty dispute over Gabon-occupied Mbane Island and create a maritime boundary in the hydrocarbon-rich Corisco Bay

Eritrea

Eritrea and Ethiopia agreed to abide by 2002 Ethiopia-Eritrea Boundary Commission's (EEBC) delimitation decision, but despite international intervention, mutual animosities, accusations, and armed posturing have prevented demarcation; Ethiopia refuses to withdraw to the delimited boundary until claimed technical errors made by the EEBC that ignored "human geography" are addressed, including the award of Badme, the focus of the 1998-2000 war; Eritrea insists that the EEBC decision be implemented immediately without modifications; in 2005 Eritrea began severely restricting the operations of the UN Peacekeeping Mission to Ethiopia and Eritrea (UNMEE) monitoring the 25km-wide Temporary Security Zone in Eritrea since 2000; Sudan sustains over 110,000 Eritrean refugees and accuses Eritrea of supporting Sudanese rebel groups

Estonia

in 2005, Russia refuses to sign the 1996 technical border agreement with Estonia when Estonia prepares a unilateral declaration referencing Soviet occupation and territorial losses; Russia demands better accommodation of Russian-speaking population in Estonia; Estonian citizen groups continue to press for realignment of the boundary based on the 1920 Tartu Peace Treaty that would bring the now divided ethnic Setu people and parts of the Narva region within Estonia; as a member state that forms part of the EU's external border, Estonia must implement the strict Schengen border rules

Ethiopia

Eritrea and Ethiopia agreed to abide by the 2002 Eritrea-Ethiopia Boundary Commission's (EEBC) delimitation decision, but mutual animosities, accusations, and armed posturing prevail, preventing demarcation despite international intervention; Ethiopia refuses to withdraw to the delimited boundary until technical errors made by the EEBC that ignored "human geography" are addressed, including the award of Badme, the focus of the 1998-2000 war; Eritrea insists that the EEBC decision be implemented immediately without modifications; Ethiopia has only an administrative line and no international border with the Oromo region of southern Somalia where it maintains alliances with local clans in opposition to the unrecognized Somali Interim Government in Mogadishu; "Somaliland" secessionists provide port facilities and trade ties to landlocked Ethiopia; efforts to demarcate the porous boundary with Sudan have been delayed by civil war

Europa Island | claimed by Madagascar

European Union

as a political union, the EU has no border disputes with neighboring countries, but Estonia and Latvia have no land boundary agreements with Russia, Slovenia disputes its land and maritime boundaries with Croatia, and Spain has territorial and maritime disputes with Morocco; the EU has set up a Schengen area - consisting of 13 EU member states that have signed the convention implementing the Schengen agreements (1985 and 1990) on the free movement of persons and the harmonization of border controls in Europe; the Schengen agreements ("acquis") became incorporated into EU law with the implementation of the 1997 Treaty of Amsterdam on 1 May 1999; member states are: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Italy, Luxembourg, Netherlands, Portugal, Spain, and Sweden; in addition, non-EU states Iceland and Norway (as part of the Nordic Union) have been included in the Schengen area since 1996 (full members in 2001), bringing the total current membership to 15; the UK (since 2000) and Ireland (since 2002) take part in some aspects of the Schengen area, especially with respect to police and criminal matters; the 10 new member states that joined the EU in 2004 eventually are expected to participate in Schengen, following a transition period to upgrade their border controls and procedures

Falkland Islands (Islas Malvinas) | Argentina, which claims the islands in its constitution and briefly occupied them by force in 1982, agreed in 1995 to no longer seek settlement by force; UK continues to reject Argentine requests for sovereignty talks
Faroe Islands | because anticipated offshore hydrocarbon resources have not been realized, earlier Faroese proposals for full independence have been deferred; Iceland disputes the Faroe Islands' fisheries median line boundary; Iceland, the UK, and Ireland dispute Denmark's claim that the Faroe Islands' continental shelf extends beyond 200 nm
Fiji | none
Finland | various groups in Finland advocate restoration of Karelia and other areas ceded to the Soviet Union, but the Finnish Government asserts no territorial demands

France

Madagascar claims the French territories of Bassas da India, Europa Island, Glorioso Islands, and Juan de Nova Island; Comoros claims Mayotte; Mauritius claims Tromelin Island; territorial dispute between Suriname and the French overseas department of French Guiana; France asserts a territorial claim in Antarctica (Adelie Land); France and Vanuatu claim Matthew and Hunter Islands, east of New Caledonia

French Guiana | Suriname claims area between Riviere Litani and Riviere Marouini (both headwaters of the Lawa) in French Guiana
French Polynesia | none
French Southern and Antarctic Lands | French claim to "Adelie Land" in Antarctica is not recognized by the US
Gabon | UN presses Equatorial Guinea and Gabon to resolve the sovereignty dispute over Gabon-occupied Mbane Island and to establish a maritime boundary in hydrocarbon-rich Corisco Bay; only a few hundred out of the 20,000 Republic of the Congo refugees who fled militia fighting in 2000 remain in Gabon
Gambia, The | attempts to stem refugees, cross-border raids, arms smuggling, and other illegal activities by separatists from southern Senegal's Casamance region, as well as from conflicts in other west African states
Gaza Strip | West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation; Israel removed settlers and military personnel from the Gaza Strip in August 2005

Georgia

Russia and Georgia agree on delimiting 80% of their common border, leaving certain small, strategic segments and the maritime boundary unresolved; OSCE observers monitor volatile areas such as the Pankisi Gorge in the Akhmeti region and the Argun Gorge in Abkhazia; UN Observer Mission in Georgia has maintained a peacekeeping force in Georgia since 1993; Meshkheti Turks scattered throughout the former Soviet Union seek to return to Georgia; boundary with Armenia remains undemarcated; ethnic Armenian groups in Javakheti region of Georgia seek greater autonomy from the Georgian government; Azerbaijan and Georgia continue to discuss the alignment of their boundary at certain crossing areas

Germany | none
Ghana | Ghana struggles to accommodate returning nationals who worked in the cocoa plantations and escaped fighting in Cote d'Ivoire
Gibraltar | in 2002, Gibraltar residents voted overwhelmingly by referendum to reject any "shared sovereignty" arrangement; the government of Gibraltar insists on equal participation in talks between the UK and Spain; Spain disapproves of UK plans to grant Gibraltar even greater autonomy
Glorioso Islands | claimed by Madagascar
Greece | Greece and Turkey continue discussions to resolve their complex maritime, air, territorial, and boundary disputes in the Aegean Sea; Cyprus question with Turkey; Greece rejects the use of the name Macedonia or Republic of Macedonia
Greenland | managed dispute between Canada and Denmark over Hans Island in the Kennedy Channel between Canada's Ellesmere Island and Greenland
Grenada | none
Guadeloupe | none
Guam | none

Guatemala

Guatemalan squatters continue to settle in the rain forests of Belize's border region; Organization of American States (OAS) is attempting to revive the 2002 failed Differendum that created a small adjustment to land boundary, a Guatemalan maritime corridor in Caribbean, a joint ecological park for the disputed Sapodilla Cays, and a substantial US-UK financial package; Guatemalans enter Mexico illegally seeking work or transit to the US

Guernsey | none
Guinea | conflicts among rebel groups, warlords, and youth gangs in neighboring states have spilled over into Guinea, resulting in domestic instability; Sierra Leone has pressured Guinea to remove its forces from the town of Yenga, occupied since 1998
Guinea-Bissau | attempts to stem refugees and cross-border raids, arms smuggling, and political instability from a separatist movement in Senegal's Casamance region

Guyana

all of the area west of the Essequibo (river) is claimed by Venezuela preventing any discussion of a maritime boundary; Guyana has expressed its intention to join Barbados in asserting claims before UNCLOS that Trinidad and Tobago's maritime boundary with Venezuela extends into their waters; Suriname claims a triangle of land between the New and Kutari/Koetari rivers in a historic dispute over the headwaters of the Courantyne; Guyana seeks arbitration under provisions of the UN Convention on the Law of the Sea (UNCLOS) to resolve the long-standing dispute with Suriname over the axis of the territorial sea boundary in potentially oil-rich waters

Haiti | since 2004, about 8,000 peacekeepers from the UN Stabilization Mission in Haiti (MINUSTAH) maintain civil order in Haiti; despite efforts to control illegal migration, Haitians fleeing economic privation and civil unrest continue to cross into the Dominican Republic and sail to neighboring countries; Haiti claims US-administered Navassa Island
Heard Island and McDonald Islands | none
Holy See (Vatican City) | none

Honduras

in 1992, International Court of Justice (ICJ) ruled on the delimitation of "bolsones" (disputed areas) along the El Salvador-Honduras border, but despite Organization of American States (OAS) intervention and a further ICJ ruling in 2003, full demarcation of the border remains stalled; the 1992 ICJ ruling advised a tripartite resolution to a maritime boundary in the Gulf of Fonseca with consideration of Honduran access to the Pacific; El Salvador continues to claim tiny Conejo Island, not mentioned in the ICJ ruling, off Honduras in the Gulf of Fonseca; Honduras claims Sapodilla Cays off the coast of Belize, but agreed to creation of a joint ecological park and Guatemalan corridor in the Caribbean in the failed 2002 Belize-Guatemala Differendum, which the OAS is attempting to revive; Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over a complex dispute over islands and maritime boundaries in the Caribbean Sea

Hong Kong | none
Howland Island | none

Hungary

in 2004, Hungary amended the status law extending special social and cultural benefits - and voted down a referendum to extend dual citizenship - to ethnic Hungarians living in neighboring states, which have objected to such measures; consultations continue between Slovakia and Hungary over Hungary's completion of its portion the Gabcikovo-Nagymaros hydroelectric dam project along the Danube; as a member state that forms part of the EU's external border, Hungary must implement the strict Schengen border rules

Iceland | Iceland disputes Denmark's alignment of the Faroe Islands' fisheries median line; Iceland, the UK, and Ireland dispute Denmark's claim that the Faroe Islands' continental shelf extends beyond 200 nm

India

since China and India launched a security and foreign policy dialogue in 2005, consolidated discussions related to the dispute over most of their rugged, militarized boundary, regional nuclear proliferation, Indian claims that China transferred missiles to Pakistan, and other matters continue; various talks and confidence-building measures have cautiously begun to defuse tensions over Kashmir, particularly since the October 2005 earthquake in the region; Kashmir nevertheless remains the site of the world's largest and most militarized territorial dispute with portions under the de facto administration of China (Aksai Chin), India (Jammu and Kashmir), and Pakistan (Azad Kashmir and Northern Areas); in 2004, India and Pakistan instituted a cease fire in Kashmir and in 2005, restored bus service across the highly militarized Line of Control; Pakistan has taken its dispute on the impact and benefits of India's building the Baglihar Dam on the Chenab River in Jammu and Kashmir to the World Bank for arbitration; UN Military Observer Group in India and Pakistan (UNMOGIP) has maintained a small group of peacekeepers since 1949; India does not recognize Pakistan's ceding historic Kashmir lands to China in 1964; disputes persist with Pakistan over Indus River water sharing; to defuse tensions and prepare for discussions on a maritime boundary, in 2004, India and Pakistan resurveyed a portion of the disputed boundary in Sir Creek estuary at the mouth of the Rann of Kutch; Pakistani maps continue to show its Junagadh claim in Indian Gujarat State; discussions with Bangladesh remain stalled to delimit a small section of river boundary, to exchange 162 miniscule enclaves in both countries, to allocate divided villages, and to stop illegal cross-border trade, migration, violence, and transit of terrorists through the porous border; Bangladesh protests India's attempts to fence off high-traffic sections of the border; dispute with Bangladesh over New Moore/South Talpatty/Purbasha Island in the Bay of Bengal deters maritime boundary delimitation; India seeks cooperation from Bhutan and Burma to keep Indian Nagaland and Assam separatists from hiding in remote areas along the borders; Joint Border Committee with Nepal continues to demarcate minor disputed boundary sections; India maintains a strict border regime to keep out Maoist insurgents and control illegal cross-border activities from Nepal

Indian Ocean | some maritime disputes (see littoral states)

Indonesia

East Timor-Indonesia Boundary Committee continues to meet, survey, and delimit land boundary, but several sections of the boundary remain unresolved; many East Timorese refugees who left in 2003 still reside in Indonesia and refuse repatriation; Indonesia and East Timor contest the sovereignty of the uninhabited coral island of Pulau Batek/Fatu Sinai, which hinders a decision on a northern maritime boundary; a 1997 treaty between Indonesia and Australia settled some parts of their maritime boundary but outstanding issues remain; ICJ's award of Sipadan and Ligitan islands to Malaysia in 2002 left maritime boundary in the hydrocarbon-rich Celebes Sea in dispute, culminating in hostile confrontations in March 2005 over concessions to the Ambalat oil block; the ICJ decision has prompted Indonesia to assert claims to and to establish a presence on its smaller outer islands; Indonesia and Singapore pledged in 2005 to finalize their 1973 maritime boundary agreement by defining unresolved areas north of Batam Island; Indonesian secessionists, squatters, and illegal migrants create repatriation problems for Papua New Guinea; piracy remains a problem in the Malacca Strait

Iran

Iran protests Afghanistan's limiting flow of dammed tributaries to the Helmand River in periods of drought; Iraq's lack of a maritime boundary with Iran prompts jurisdiction disputes beyond the mouth of the Shatt al Arab in the Persian Gulf; Iran and UAE dispute Tunb Islands and Abu Musa Island, which are occupied by Iran; Iran stands alone among littoral states in insisting upon a division of the Caspian Sea into five equal sectors

Iraq | coalition forces assist Iraqis in monitoring boundary security; Iraq's lack of a maritime boundary with Iran prompts jurisdiction disputes beyond the mouth of the Shatt al Arab in the Persian Gulf; Turkey has expressed concern over the status of Kurds in Iraq
Ireland | Ireland, Iceland, and the UK dispute Denmark's claim that the Faroe Islands' continental shelf extends beyond 200 nm
Isle of Man | none

Israel

West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation; Israel continues construction of a "seam line" separation barrier along parts of the Green Line and within the West Bank; Israel withdrew its settlers and military from the Gaza Strip and from four settlements in the West Bank in August 2005; Golan Heights is Israeli-occupied (Lebanon claims the Shab'a Farms area of Golan Heights); since 1948, about 350 peacekeepers from the UN Truce Supervision Organization (UNTSO) headquartered in Jerusalem monitor ceasefires, supervise armistice agreements, prevent isolated incidents from escalating, and assist other UN personnel in the region

Italy | Italy's long coastline and developed economy entices tens of thousands of illegal immigrants from southeastern Europe and northern Africa
Jamaica | none
Jan Mayen | none

Japan

the sovereignty dispute over the islands of Etorofu, Kunashiri, and Shikotan, and the Habomai group, known in Japan as the "Northern Territories" and in Russia as the "Southern Kuril Islands," occupied by the Soviet Union in 1945, now administered by Russia and claimed by Japan, remains the primary sticking point to signing a peace treaty formally ending World War II hostilities; Japan and South Korea claim Liancourt Rocks (Take-shima/Tok-do) occupied by South Korea since 1954; China and Taiwan dispute both Japan's claims to the uninhabited islands of the Senkaku-shoto (Diaoyu Tai) and Japan's unilaterally declared exclusive economic zone in the East China Sea, the site of intensive hydrocarbon prospecting

Jarvis Island | none
Jersey | none
Johnston Atoll | none
Jordan | 2004 Agreement settles border dispute with Syria pending demarcation
Juan de Nova Island | claimed by Madagascar

Kazakhstan

in 2005, Kazakhstan agreed with Russia, Turkmenistan, and Uzbekistan to commence demarcating their boundaries; delimitation with Kyrgyzstan is complete; creation of a seabed boundary with Turkmenistan in the Caspian Sea remains unresolved; equidistant seabed treaties have been ratified with Azerbaijan and Russia in the Caspian Sea, but no resolution has been made on dividing the water column among any of the littoral states

Kenya

Kenya served as an important mediator in brokering Sudan's north-south separation in February 2005; Kenya provides shelter to approximately a quarter of a million refugees including Ugandans who flee across the border periodically to seek protection from Lord's Resistance Army (LRA) rebels; the Kenya-Somalia border is open to pastoralists and is susceptible to cross-border clan insurgencies; Kenya's administrative limits extend beyond the treaty border into the Sudan, creating the Ilemi Triangle

Kingman Reef | none
Kiribati | none

Korea, North

China seeks to stem illegal migration of tens of thousands of North Koreans escaping famine, economic privation, and political oppression; North Korea and China dispute the sovereignty of certain islands in Yalu and Tumen rivers and a section of boundary around Paektu-san (mountain) is indefinite; Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953; periodic maritime disputes with South over the Northern Limit Line; North Korea supports South Korea in rejecting Japan's claim to Liancourt Rocks (Tok-do/Take-shima)

Korea, South | Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953; periodic maritime disputes with North Korea over the Northern Limit Line; South Korea and Japan claim Liancourt Rocks (Tok-do/Take-shima), occupied by South Korea since 1954
Kuwait | Kuwait and Saudi Arabia continue negotiating a joint maritime boundary with Iran; no maritime boundary exists with Iraq in the Persian Gulf
Kyrgyzstan | delimitation with Kazakhstan is complete; disputes in Isfara Valley delay completion of delimitation with Tajikistan; delimitation of 130 km of border with Uzbekistan is hampered by serious disputes around enclaves and other areas
Laos | Southeast Asian states have enhanced border surveillance to check the spread of avian flu; talks continue on completion of demarcation with Thailand but disputes remain over several areas along Mekong River and Thai squatters; concern among Mekong Commission members that China's construction of dams on the Mekong River will affect water levels

Latvia

Russia refuses to sign the 1997 boundary treaty due to Latvian insistence on a unilateral clarificatory declaration referencing Soviet occupation of Latvia and territorial losses; Russia demands better Latvian treatment of ethnic Russians in Latvia; the Latvian parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over oil exploration rights; as a member state that forms part of the EU's external border, Latvia must implement the strict Schengen border rules

Lebanon | Lebanese Government claims Shab'a Farms area of Israeli-occupied Golan Heights; the roughly 2,000-strong UN Interim Force in Lebanon (UNIFIL) has been in place since 1978
Lesotho | none

Liberia

although Liberia's domestic fighting among disparate rebel groups, warlords, and youth gangs was declared over in 2003, civil unrest persists, and in 2004, 133,000 Liberian refugees remained in Guinea, 72,000 in Cote d'Ivoire, 67,000 in Sierra Leone, and 43,000 in Ghana; Liberia, in turn, shelters refugees fleeing turmoil in Cote d'Ivoire and Sierra Leone; since 2003, the UN Mission in Liberia (UNMIL) has maintained about 18,000 peacekeepers in Liberia; the Cote d'Ivoire Government accuses Liberia of supporting Ivoirian rebels; UN sanctions ban Liberia from exporting diamonds and timber

Libya | Libya has claimed more than 32,000 sq km in southeastern Algeria and about 25,000 sq km in Niger in currently dormant disputes; various Chadian rebels from the Aozou region reside in southern Libya
Liechtenstein | in February 2005, the ICJ refused to rule on the restitution of Liechtenstein's land and property assets in the Czech Republic confiscated in 1945 as German property

Lithuania

Lithuania and Russia committed to demarcating their boundary in 2006 in accordance with the land and maritime treaty ratified by Russia in May 2003 and by Lithuania in 1999; Lithuania operates a simplified transit regime for Russian nationals traveling from the Kaliningrad coastal exclave into Russia, while still conforming, as a member state that forms part of the EU's external border, to strict Schengen border rules; the Latvian parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over potential hydrocarbons

Luxembourg | none
Macau | none
Macedonia | ethnic Albanians in Kosovo object to demarcation of the boundary with Macedonia in accordance with the 2000 Macedonia-Serbia and Montenegro delimitation agreement; Greece continues to reject the use of the name Macedonia or Republic of Macedonia
Madagascar | claims Bassas da India, Europa Island, Glorioso Islands, and Juan de Nova Island (all administered by France)
Malawi | disputes with Tanzania over the boundary in Lake Nyasa (Lake Malawi) and the meandering Songwe River remain dormant

Malaysia

Malaysia has asserted sovereignty over the Spratly Islands together with China, Philippines, Taiwan, Vietnam, and possibly Brunei; while the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions over the Spratly Islands, it is not the legally binding "code of conduct" sought by some parties; Malaysia was not party to the March 2005 joint accord among the national oil companies of China, the Philippines, and Vietnam on conducting marine seismic activities in the Spratly Islands; disputes continue over deliveries of fresh water to Singapore, Singapore's land reclamation, bridge construction, maritime boundaries, and Pedra Branca Island/Pulau Batu Putih - but parties agree to ICJ arbitration on island dispute within three years; ICJ awarded Ligitan and Sipadan islands, also claimed by Indonesia and Philippines, to Malaysia but left maritime boundary in the hydrocarbon-rich Celebes Sea in dispute, culminating in hostile confrontations in March 2005 over concessions to the Ambalat oil block; separatist violence in Thailand's predominantly Muslim southern provinces prompts measures to close and monitor border with Malaysia to stem terrorist activities; Philippines retains a now dormant claim to Malaysia's Sabah State in northern Borneo; in 2003, Brunei and Malaysia ceased gas and oil exploration in their disputed offshore and deepwater seabeds and negotiations have stalemated prompting consideration of international adjudication; Malaysia's land boundary with Brunei around Limbang is in dispute; piracy remains a problem in the Malacca Strait

Maldives | none
Mali | none
Malta | none
Marshall Islands | claims US territory of Wake Island
Martinique | none
Mauritania | Mauritanian claims to Western Sahara have been dormant in recent years
Mauritius | Mauritius claims the Chagos Archipelago (UK-administered British Indian Ocean Territory), and its former inhabitants, who reside chiefly in Mauritius, were granted UK citizenship but no right to patriation in the UK; claims French-administered Tromelin Island
Mayotte | claimed by Comoros
Mexico | prolonged drought, population growth, and outmoded practices and infrastructure in the border region have strained water-sharing arrangements with the US; the US has stepped up efforts to stem nationals from Mexico, Central America, and other parts of the world from illegally crossing the border with Mexico
Micronesia, Federated States of | none
Midway Islands | none
Moldova | Moldova and Ukraine have established joint customs posts to monitor transit through Moldova's break-away Transnistria region which remains under OSCE supervision
Monaco | none
Mongolia | none
Montserrat | none

Morocco

claims and administers Western Sahara whose sovereignty remains unresolved - UN-administered cease-fire has remained in effect since September 1991, but attempts to hold a referendum have failed and parties thus far have rejected all brokered proposals; Morocco protests Spain's control over the coastal enclaves of Ceuta, Melilla, and Penon de Velez de la Gomera, the islands of Penon de Alhucemas and Islas Chafarinas, and surrounding waters; discussions have not progressed on a comprehensive maritime delimitation setting limits on exploration and refugee interdiction since Morocco's 2002 rejection of Spain's unilateral designation of a median line from the Canary Islands; Morocco serves as one of the primary launching areas of illegal migration into Spain from North Africa

Mozambique | none

Namibia

border commission has yet to resolve small residual disputes with Botswana along the Caprivi Strip, including the Situngu marshlands along the Linyanti River; Botswana residents protest Namibia's planned construction of the Okavango hydroelectric dam on Popa Falls; managed dispute with South Africa over the location of the boundary in the Orange River; Namibia has supported and in 2004 Zimbabwe dropped objections to plans between Botswana and Zambia to build a bridge over the Zambezi River, thereby de facto recognizing a short, but not clearly delimited, Botswana-Zambia boundary in the river

Nauru | none
Navassa Island | claimed by Haiti, source of subsistence fishing
Nepal | joint border commission continues to work on small disputed sections of boundary with India; India has instituted a stricter border regime to restrict transit of Maoist insurgents and illegal cross-border activities
Netherlands | none
Netherlands Antilles | none
New Caledonia | Matthew and Hunter Islands east of New Caledonia claimed by France and Vanuatu
New Zealand | asserts a territorial claim in Antarctica (Ross Dependency) [see Antarctica]

Nicaragua

Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over disputed maritime boundary involving 50,000 sq km in the Caribbean Sea, including the Archipelago de San Andres y Providencia and Quita Sueno Bank; the 1992 ICJ ruling for El Salvador and Honduras advised a tripartite resolution to establish a maritime boundary in the Gulf of Fonseca, which considers Honduran access to the Pacific; legal dispute over navigational rights of San Juan River on border with Costa Rica

Niger | Libya claims about 25,000 sq km in a currently dormant dispute; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty which also includes the Chad-Niger and Niger-Nigeria boundaries

Nigeria

ICJ ruled in 2002 on the entire Cameroon-Nigeria land and maritime boundary but the parties formed a Joint Border Commission to resolve differences bilaterally and have commenced with demarcation in less-contested sections of the boundary, starting in Lake Chad in the north; Nigeria initially rejected cession of the Bakassi Peninsula, then agreed, but has yet to withdraw its forces while much of the indigenous population opposes cession; the ICJ ruled on an equidistance settlement of Cameroon-Equatorial Guinea-Nigeria maritime boundary in the Gulf of Guinea, but imprecisely defined coordinates in the ICJ decision, the unresolved Bakasi allocation, and a sovereignty dispute between Equatorial Guinea and Cameroon over an island at the mouth of the Ntem River all contribute to the delay in implementation; a joint task force was established in 2004 that resolved disputes over and redrew the maritime and the 870-km land boundary with Benin on the Okpara River; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty which also includes the Chad-Niger and Niger-Nigeria boundaries

Niue | none
Norfolk Island | none
Northern Mariana Islands | none
Norway | Norway asserts a territorial claim in Antarctica (Queen Maud Land and its continental shelf); despite recent discussions, Russia and Norway continue to dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone
Oman | boundary agreement reportedly signed and ratified with UAE in 2003 for entire border, including Oman's Musandam Peninsula and Al Madhah exclave, but details have not been made public
Pacific Ocean | some maritime disputes (see littoral states)

Pakistan

various talks and confidence-building measures cautiously have begun to defuse tensions over Kashmir, particularly since the October 2005 earthquake in the region; Kashmir nevertheless remains the site of the world's largest and most militarized territorial dispute with portions under the de facto administration of China (Aksai Chin), India (Jammu and Kashmir), and Pakistan (Azad Kashmir and Northern Areas); UN Military Observer Group in India and Pakistan (UNMOGIP) has maintained a small group of peacekeepers since 1949; India does not recognize Pakistan's ceding historic Kashmir lands to China in 1964; in 2004, India and Pakistan instituted a cease-fire in the Kashmir, and in 2005 restored bus service across the highly militarized Line of Control; Pakistan has taken its dispute on the impact of India's building the Baglihar Dam on the Chenab River in Jammu and Kashmir to the World Bank for arbitration and in general the two states still dispute Indus River water sharing; to defuse tensions and prepare discussions on a maritime boundary, in 2004, India and Pakistan resurveyed a portion of the disputed the Sir Creek estuary at the mouth of the Rann of Kutch; Pakistani maps continue to show the Junagadh claim in India's Gujarat State; by 2005, Pakistan, with UN assistance, had repatriated 2.3 million Afghan refugees and had undertaken a census to count the remaining million or more, many of whom remain at their own choosing; Pakistan has sent troops into remote tribal areas to control the border with Afghanistan and stem organized terrorist or other illegal cross-border activities; regular meetings with Afghan and Coalition allies aim to resolve periodic claims of boundary encroachments

Palau | border delineation disputes being negotiated with Philippines, Indonesia
Palmyra Atoll | none
Panama | organized illegal narcotics operations in Colombia operate within the border region with Panama
Papua New Guinea | relies on assistance from Australia to keep out illegal cross-border activities from primarily Indonesia, including goods smuggling, illegal narcotics trafficking, and squatters and secessionists
Paracel Islands | occupied by China, also claimed by Taiwan and Vietnam
Paraguay | unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and illegal narcotics trafficking, and fundraising for extremist organizations

Peru

Chile and Ecuador rejected Peru's November 2005 unilateral law to shift the axis of their joint treaty-defined maritime boundary along the parallel of latitude to an equidistance line which favors Peru; organized illegal narcotics operations in Colombia have penetrated Peru's shared border; Peru does not support Bolivia's claim to restore maritime access through a sovereign corridor through Chile along the Peruvian border

Philippines

Philippines claims sovereignty over certain of the Spratly Islands, known locally as the Kalayaan (Freedom) Islands, also claimed by China, Malaysia, Taiwan, and Vietnam; the 2002 "Declaration on the Conduct of Parties in the South China Sea," has eased tensions in the Spratly Islands but falls short of a legally binding "code of conduct" desired by several of the disputants; in March 2005, the national oil companies of China, the Philippines, and Vietnam signed a joint accord to conduct marine seismic activities in the Spratly Islands; Philippines retains a dormant claim to Malaysia's Sabah State in northern Borneo based on the Sultanate of Sulu's granting the Philippines Government power of attorney to pursue a sovereignty claim on his behalf

Pitcairn Islands | none
Poland | as a member state that forms part of the EU's external border, Poland must implement the strict Schengen border rules
Portugal | Portugal does not recognize Spanish sovereignty over the territory of Olivenza based on a difference of interpretation of the 1815 Congress of Vienna and the 1801 Treaty of Badajoz
Puerto Rico | increasing numbers of illegal migrants from the Dominican Republic cross the Mona Passage to Puerto Rico each year looking for work
Qatar | none
Reunion | none

Romania

Romania and Ukraine have taken their dispute over Ukrainian-administered Zmiyinyy (Snake) Island and Black Sea maritime boundary to the ICJ for adjudication; Romania also opposes Ukraine's reopening of a navigation canal from the Danube border through Ukraine to the Black Sea; Hungary amended the status law extending special social and cultural benefits to ethnic Hungarians in Romania, to which Romania had objected

Russia

in 2005, China and Russia ratified the treaty to divide up the islands in the Amur, Ussuri, and Argun Rivers, representing the final portion of their centuries-long border disputes; the sovereignty dispute over the islands of Etorofu, Kunashiri, Shikotan, and the Habomai group, known in Japan as the "Northern Territories" and in Russia as the "Southern Kurils," occupied by the Soviet Union in 1945, now administered by Russia, and claimed by Japan, remains the primary sticking point to signing a peace treaty formally ending World War II hostilities; Russia and Georgia agree on delimiting all but small, strategic segments of the land boundary and the maritime boundary; OSCE observers monitor volatile areas such as the Pankisi Gorge in the Akhmeti region and the Kodori Gorge in Abkhazia; Azerbaijan, Kazakhstan, and Russia signed equidistance boundaries in the Caspian seabed but the littoral states have no consensus on dividing the water column; Russia and Norway dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone; various groups in Finland advocate restoration of Karelia and other areas ceded to the Soviet Union following the Second World War but the Finnish Government asserts no territorial demands; in May 2005, Russia recalled its signatures to the 1996 border agreements with Estonia (1996) and Latvia (1997), when the two Baltic states announced issuance of unilateral declarations referencing Soviet occupation and ensuing territorial losses; Russia demands better treatment of ethnic Russians in Estonia and Latvia; Estonian citizen groups continue to press for realignment of the boundary based on the 1920 Tartu Peace Treaty that would bring the now divided ethnic Setu people and parts of the Narva region within Estonia; Lithuania and Russia committed to demarcating their boundary in 2006 in accordance with the land and maritime treaty ratified by Russia in May 2003 and by Lithuania in 1999; Lithuania operates a simplified transit regime for Russian nationals traveling from the Kaliningrad coastal exclave into Russia, while still conforming, as a member state that forms part of the EU's external border, to strict Schengen border rules; delimitation of land boundary with Ukraine is complete, but states have renewed discussions on demarcation; the dispute over the maritime boundary between Russia and Ukraine through the Kerch Strait and Sea of Azov remains unresolved despite a December 2003 framework agreement and on-going expert-level discussions; discussions toward economic and political union with Belarus advance slowly; Kazakhstan and Russia boundary delimitation ratified November 2005 and demarcation is underway; Russian Duma has not yet ratified 1990 Maritime Boundary Agreement with the US in the Bering Sea

Rwanda

Tutsi, Hutu, Hema, Lendu, and other conflicting ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated areas and natural resources - government heads pledge to end conflicts, but localized violence continues despite UN peacekeeping efforts; DROC and Rwanda established a border verification mechanism in 2005 to address accusations of Rwandan military supporting Congolese rebels and the Congo providing rebel Rwandan "Interhamwe" forces the means and bases to attack Rwandan forces; as of 2004, Rwandan refugees lived in the Democratic Republic of the Congo, Uganda, and Zambia

Saint Helena | none
Saint Kitts and Nevis | joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Saint Lucia | joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Saint Pierre and Miquelon | none
Saint Vincent and the Grenadines | joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Samoa | none
San Marino | none
Sao Tome and Principe | none

Saudi Arabia

despite resistance from nomadic groups, the demarcation of the Saudi Arabia-Yemen boundary established under the 2000 Jeddah Treaty is almost complete; Saudi Arabia still maintains the concrete-filled pipe as a security barrier along sections of the border with Yemen in 2004 to stem illegal cross-border activities; Kuwait and Saudi Arabia continue discussions on a maritime boundary with Iran; the United Arab Emirate 2006 Yearbook published a map and text rescinding the 1974 boundary with Saudi Arabia, as stipulated in a treaty filed with the UN in 1993, on the grounds that the agreement was not formally ratified

Senegal | The Gambia and Guinea-Bissau attempt to stem Senegalese citizens from the Casamance region fleeing separatist violence, cross border raids, and arms smuggling

Serbia and Montenegro

Kosovo remains unresolved and administered by several thousand peacekeepers from the UN Interim Administration Mission in Kosovo (UNMIK) since 1999, with Kosovar Albanians overwhelmingly supporting and Serbian officials opposing Kosovo independence; the international community had agreed to begin a process to determine final status but contingency of solidifying multi-ethnic democracy in Kosovo has not been satisfied; ethnic Albanians in Kosovo refuse demarcation of the boundary with Macedonia in accordance with the 2000 Macedonia-Serbia and Montenegro delimitation agreement; Serbia and Montenegro have delimited about half of the boundary with Bosnia and Herzegovina, but sections along the Drina River remain in dispute

Seychelles | together with Mauritius, Seychelles claims the Chagos Archipelago (UK-administered British Indian Ocean Territory)

Sierra Leone

domestic fighting among disparate rebel groups, warlords, and youth gangs in Cote d'Ivoire, Guinea, Liberia, and Sierra Leone perpetuate insurgencies, street violence, looting, arms trafficking, ethnic conflicts, and refugees in border areas; UN Mission in Sierra Leone (UNAMSIL) has maintained over 4,000 peacekeepers in Sierra Leone since 1999; Sierra Leone pressures Guinea to remove its forces from the town of Yenga occupied since 1998

Singapore

disputes persist with Malaysia over deliveries of fresh water to Singapore, Singapore's extensive land reclamation works, bridge construction, maritime boundaries, and Pedra Branca Island/Pulau Batu Putih - parties agree to ICJ arbitration on island dispute within three years; Indonesia and Singapore pledged in 2005 to finalize their 1973 maritime boundary agreement by defining unresolved areas north of Batam Island; piracy remains a problem in the Malacca Strait

Slovakia

Hungary amended its status law extending special social and cultural benefits to ethnic Hungarians in Slovakia, to which Slovakia had protested; consultations continue between Slovakia and Hungary over Hungary's completion of its portion of the Gabcikovo-Nagymaros hydroelectric dam project along the Danube; as a member state that forms part of the EU's external border, Slovakia must implement the strict Schengen border rules

Slovenia

the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Piran Bay and maritime access to Slovenia and several villages to Croatia, remains unratified and in dispute; as a member state that forms part of the EU's external border, Slovenia must implement the strict Schengen border rules to curb illegal migration and commerce through southeastern Europe while encouraging close cross-border ties with Croatia

Solomon Islands | Australian Defense Force leads the Regional Assistance Mission to the Solomon Islands (RAMSI) at the invitation of the Solomon Islands' Government to maintain civil and political order and reinforce regional security

Somalia

"Somaliland" secessionists provide port facilities to landlocked Ethiopia and establish commercial ties with regional states; "Puntland" and "Somaliland" "governments" seek support from neighboring states in their secessionist aspirations and in conflicts with each other; Ethiopia has only an administrative line with the Oromo region of southern Somalia and maintains alliances with local Somali clans opposed to the unrecognized Somali Interim Government, which plans eventual relocation from Kenya to Mogadishu; rival militia and clan fighting in southern Somalia periodically spills over into Kenya

South Africa | South Africa has placed military along the border to stem the thousands of Zimbabweans fleeing to find work and escape political persecution; managed dispute with Namibia over the location of the boundary in the Orange River
South Georgia and the South Sandwich Islands | Argentina, which claims the islands in its constitution and briefly occupied the islands by force in 1982, agreed in 1995 to no longer seek settlement by force

Southern Ocean

Antarctic Treaty defers claims (see Antarctica entry), but Argentina, Australia, Chile, France, NZ, Norway, and UK assert claims (some overlapping), including the continental shelf in the Southern Ocean; several states have expressed an interest in extending those continental shelf claims under the United Nations Convention on the Law of the Sea (UNCLOS) to include undersea ridges; the US and most other states do not recognize the land or maritime claims of other states and have made no claims themselves (the US and Russia have reserved the right to do so); no formal claims exist in the waters in the sector between 90 degrees west and 150 degrees west

Spain

in 2003, Gibraltar residents voted overwhelmingly by referendum to remain a British colony and against a "total shared sovereignty" arrangement while demanding participation in talks between the UK and Spain; Spain disapproves of UK plans to grant Gibraltar greater autonomy; Morocco protests Spain's control over the coastal enclaves of Ceuta, Melilla, and the islands of Penon de Velez de la Gomera, Penon de Alhucemas and Islas Chafarinas, and surrounding waters; Morocco serves as the primary launching site of illegal migration into Spain from North Africa; Portugal does not recognize Spanish sovereignty over the territory of Olivenza based on a difference of interpretation of the 1815 Congress of Vienna and the 1801 Treaty of Badajoz

Spratly Islands

all of the Spratly Islands are claimed by China, Taiwan, and Vietnam; parts of them are claimed by Malaysia and the Philippines; in 1984, Brunei established an exclusive fishing zone that encompasses Louisa Reef in the southern Spratly Islands but has not publicly claimed the reef; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea," which has eased tensions but falls short of a legally binding "code of conduct"; in March 2005, the national oil companies of China, the Philippines, and Vietnam signed a joint accord to conduct marine seismic activities in the Spratly Islands

Sri Lanka | none

Sudan

the effects of Sudan's almost constant ethnic and rebel militia fighting since the mid-twentieth century have penetrated all of its border states that provide shelter for fleeing refugees and cover to disparate domestic and foreign conflicting elements; since 2003, Janjawid armed militia and Sudanese military have driven about 200,000 Darfur region refugees into eastern Chad; large numbers of Sudanese refugees have also fled to Uganda, Ethiopia, Kenya, the Central African Republic, and the Democratic Republic of the Congo; southern Sudan provides shelter to Ugandans seeking periodic protection from soldiers of the Lord's Resistance Army; Sudan accuses Eritrea of supporting Sudanese rebel groups; efforts to demarcate the porous boundary with Ethiopia have been delayed by civil and ethnic fighting in Sudan; Kenya's administrative boundary extends into the southern Sudan, creating the "Ilemi Triangle"; Egypt and Sudan retain claims to administer triangular areas that extend north and south of the 1899 Treaty boundary along the 22nd Parallel, but have withdrawn their military presence; Egypt is economically developing the "Hala'ib Triangle" north of the Treaty Line; periodic violent skirmishes with Sudanese residents over water and grazing rights persist among related pastoral populations from the Central African Republic along the border

Suriname

area claimed by French Guiana between Riviere Litani and Riviere Marouini (both headwaters of the Lawa); Suriname claims a triangle of land between the New and Kutari/Koetari rivers in a historic dispute over the headwaters of the Courantyne; Guyana seeks United Nations Convention on the Law of the Sea (UNCLOS) arbitration to resolve the long-standing dispute with Suriname over the axis of the territorial sea boundary in potentially oil-rich waters

Svalbard | despite recent discussions, Russia and Norway dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone
Swaziland | none
Sweden | none
Switzerland | none
Syria | Golan Heights is Israeli-occupied with the almost 1,000-strong UN Disengagement Observer Force (UNDOF) patrolling a buffer zone since 1964; Lebanon claims Shaba'a farms in Golan Heights; international pressure prompts the removal of Syrian troops and intelligence personnel stationed in Lebanon since October 1976; 2004 Agreement and pending demarcation settles border dispute with Jordan

Taiwan

involved in complex dispute with China, Malaysia, Philippines, Vietnam, and possibly Brunei over the Spratly Islands; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants; Paracel Islands are occupied by China, but claimed by Taiwan and Vietnam; in 2003, China and Taiwan became more vocal in rejecting both Japan's claims to the uninhabited islands of the Senkaku-shoto (Diaoyu Tai) and Japan's unilaterally declared exclusive economic zone in the East China Sea where all parties engage in hydrocarbon prospecting

Tajikistan | boundary agreements signed in 2002 cede 1,000 sq km of Pamir Mountain range to China in return for China relinquishing claims to 28,000 sq km of Tajikistani lands, but neither state has published maps of ceded areas and demarcation has not yet commenced; talks continue with Uzbekistan to delimit border and remove minefields; disputes in Isfara Valley delay delimitation with Kyrgyzstan
Tanzania | disputes with Malawi over the boundary in Lake Nyasa (Lake Malawi) and the meandering Songwe River remain dormant

Thailand

separatist violence in Thailand's predominantly Muslim southern provinces prompt border closures and controls with Malaysia to stem terrorist activities; southeast Asian states have enhanced border surveillance to check the spread of avian flu; talks continue on completion of demarcation with Thailand but disputes remain over several areas along Mekong River and Thai squatters; despite continuing border committee talks, significant differences remain with Burma over boundary alignment and the handling of ethnic rebels, refugees, and illegal cross-border activities; Cambodia and Thailand dispute sections of boundary with missing boundary markers; Cambodia claims Thai encroachments into Cambodian territory and obstructing access to Preah Vihear temple ruins awarded to Cambodia by ICJ decision in 1962; ethnic Karens from Burma flee into Thailand - to escape fighting between Karen rebels and Burmese troops - resulting in Thailand sheltering about 120,000 Burmese refugees in 2005; Karens also protest Thai support for a Burmese hydroelectric dam construction on the Salween River near the border; environmentalists in Burma and Thailand remain concerned about China's construction of hydroelectric dams upstream on the Nujiang/Salween River in Yunnan Province

Togo | in 2001 Benin claimed Togo moved boundary monuments - joint commission continues to resurvey the boundary
Tokelau | none
Tonga | none
Trinidad and Tobago | Barbados will assert its claim before the UN Convention on the Law of the Sea (UNCLOS) that the northern limit of Trinidad and Tobago's maritime boundary with Venezuela extends into its waters; Guyana has also expressed its intention to challenge this boundary as it may extend into its waters as well
Tromelin Island | claimed by Mauritius
Tunisia | none
Turkey | complex maritime, air, and territorial disputes with Greece in the Aegean Sea; status of north Cyprus question remains; Syria and Iraq protest Turkish hydrological projects to control upper Euphrates waters; Turkey has expressed concern over the status of Kurds in Iraq; border with Armenia remains closed over Nagorno-Karabakh
Turkmenistan | cotton monoculture in Uzbekistan and Turkmenistan creates water-sharing difficulties for Amu Darya river states; bilateral talks continue with Azerbaijan on dividing the seabed and contested oilfields in the middle of the Caspian; demarcation of land boundary with Kazakhstan has started but Caspian seabed delimitation remains stalled
Turks and Caicos Islands | have received Haitians fleeing economic and civil disorder
Tuvalu | none
Uganda | Uganda is subject to armed fighting among hostile ethnic groups, rebels, armed gangs, militias, and various government forces; Ugandan refugees have fled the Lord's Resistance Army (LRA) into the southern Sudan and the Democratic Republic of the Congo; LRA forces have attacked Kenyan villages across the border

Ukraine

1997 boundary treaty with Belarus remains un-ratified due to unresolved financial claims, stalling demarcation and reducing border security; delimitation of land boundary with Russia is complete and parties have renewed discussions on demarcation; the dispute over the maritime boundary between Russia and Ukraine through the Kerch Strait and Sea of Azov remains unresolved despite a December 2003 framework agreement and ongoing expert-level discussions; Moldova and Ukraine have established joint customs posts to monitor transit through Moldova's break-away Transnistria Region, which remains under OSCE supervision; in 2004 Ukraine and Romania took their dispute over Ukrainian-administered Zmiyinyy (Snake) Island and Black Sea maritime boundary to the ICJ for adjudication; Romania opposes Ukraine's reopening of a navigation canal from the Danube border through Ukraine to the Black Sea

United Arab Emirates

the United Arab Emirate 2006 Yearbook published a map and text rescinding the 1974 boundary with Saudi Arabia, as stipulated in a treaty filed with the UN in 1993, on the grounds that the agreement was not formally ratified; boundary agreement was signed and ratified with Oman in 2003 for entire border, including Oman's Musandam Peninsula and Al Madhah enclaves, but contents of the agreement and maps showing the alignment have not been published; Iran and UAE dispute Tunb Islands and Abu Musa Island, which Iran occupies

United Kingdom

in 2002, Gibraltar residents voted overwhelmingly by referendum to reject any "shared sovereignty" arrangement between the UK and Spain; the Government of Gibraltar insists on equal participation in talks between the two countries; Spain disapproves of UK plans to grant Gibraltar greater autonomy; Mauritius and Seychelles claim the Chagos Archipelago (British Indian Ocean Territory), and its former inhabitants since their eviction in 1965; most Chagossians reside in Mauritius, and in 2001 were granted UK citizenship but no right to patriation in the UK; UK rejects sovereignty talks requested by Argentina, which still claims the Falkland Islands (Islas Malvinas) and South Georgia and the South Sandwich Islands; territorial claim in Antarctica (British Antarctic Territory) overlaps Argentine claim and partially overlaps Chilean claim; Iceland, the UK, and Ireland dispute Denmark's claim that the Faroe Islands' continental shelf extends beyond 200 nm

United States

prolonged drought, population growth, and outmoded practices and infrastructure in the border region strains water-sharing arrangements with Mexico; the US has stepped up efforts to stem nationals from Mexico, Central America, and other parts of the world from crossing illegally into the US from Mexico; illegal immigrants from the Caribbean, notably Haiti and the Dominican Republic, attempt to enter the US through Florida by sea; 1990 Maritime Boundary Agreement in the Bering Sea still awaits Russian Duma ratification; managed maritime boundary disputes with Canada at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the disputed Machias Seal Island and North Rock; US and Canada seek greater cooperation in monitoring people and commodities crossing the border; The Bahamas and US have not been able to agree on a maritime boundary; US Naval Base at Guantanamo Bay is leased from Cuba and only mutual agreement or US abandonment of the area can terminate the lease; Haiti claims US-administered Navassa Island; US has made no territorial claim in Antarctica (but has reserved the right to do so) and does not recognize the claims of any other state; Marshall Islands claims Wake Island

United States Pacific Island Wildlife Refuges | none
Uruguay | uncontested dispute with Brazil over certain islands in the Quarai/Cuareim and Invernada streams and the resulting tripoint with Argentina
Uzbekistan | prolonged drought and cotton monoculture in Uzbekistan and Turkmenistan creates water-sharing difficulties for Amu Darya river states; delimitation with Kazakhstan complete with demarcation underway; border delimitation of 130 km of border with Kyrgyzstan is hampered by serious disputes around enclaves and other areas
Vanuatu | Matthew and Hunter Islands east of New Caledonia claimed by Vanuatu and France

Venezuela

claims all of the area west of the Essequibo River in Guyana, preventing any discussion of a maritime boundary; Guyana has expressed its intention to join Barbados in asserting claims before the United Nations Convention on the Law of the Sea (UNCLOS) that Trinidad and Tobago's maritime boundary with Venezuela extends into their waters; dispute with Colombia over Los Monjes islands and maritime boundary near the Gulf of Venezuela; Colombian-organized illegal narcotics and paramilitary activities penetrate Venezuela's shared border region resulting in several thousand residents migrating away from the border; US, France, and the Netherlands recognize Venezuela's claim to give full effect to Aves Island, which creates a Venezuelan EEZ/continental shelf extending over a large portion of the Caribbean Sea; Dominica, Saint Kitts and Nevis, Saint Lucia, and Saint Vincent and the Grenadines protest Venezuela's claim that Aves Island sustains human habitation and other states' recognition of it

Vietnam

southeast Asian states have enhanced border surveillance to check the spread of avian flu; Cambodia and Laos protest Vietnamese squatters and armed encroachments along border; after years of Cambodia claiming Vietnam had moved or destroyed boundary markers, in 2005, after much domestic debate, Cambodia ratified an agreement with Vietnam that settled all but a small portion of the land boundary; establishment of a maritime boundary with Cambodia is hampered by unresolved dispute over offshore islands; in 2004, Laotian-Vietnamese boundary commission agrees to erect missing markers in two adjoining provinces; demarcation of the China-Vietnam boundary proceeds slowly and although the maritime boundary delimitation and fisheries agreements were ratified in June 2004, implementation has been delayed; China occupies Paracel Islands also claimed by Vietnam and Taiwan; involved in complex dispute with China, Malaysia, Philippines, Taiwan, and possibly Brunei over the Spratly Islands; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants; Vietnam continues to expand construction of facilities in the Spratly Islands; in March 2005, the national oil companies of China, the Philippines, and Vietnam signed a joint accord to conduct marine seismic activities in the Spratly Islands

Virgin Islands | none
Wake Island | claimed by Marshall Islands
Wallis and Futuna | none

West Bank

West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation; Israel continues construction of a "seam line" separation barrier along parts of the Green Line and within the West Bank; Israel withdrew from four settlements in the northern West Bank in August 2005; since 1948, about 350 peacekeepers from the UN Truce Supervision Organization (UNTSO), headquartered in Jerusalem, monitor ceasefires, supervise armistice agreements, prevent isolated incidents from escalating, and assist other UN personnel in the region

Western Sahara | Morocco claims and administers Western Sahara, whose sovereignty remains unresolved; UN-administered cease-fire has remained in effect since September 1991, administered by the UN Mission for the Referendum in Western Sahara (MINURSO), but attempts to hold a referendum have failed and parties thus far have rejected all brokered proposals

World

stretching over 250,000 km, the world's 325 international land boundaries separate the 192 independent states and 73 dependencies, areas of special sovereignty, and other miscellaneous entities; ethnicity, culture, race, religion, and language have divided states into separate political entities as much as history, physical terrain, political fiat, or conquest, resulting in sometimes arbitrary and imposed boundaries; maritime states have claimed limits and have so far established over 130 maritime boundaries and joint development zones to allocate ocean resources and to provide for national security at sea; boundary, borderland/resource, and territorial disputes vary in intensity from managed or dormant to violent or militarized; most disputes over the alignment of political boundaries are confined to short segments and are today less common and less hostile than borderland, resource, and territorial disputes; undemarcated, indefinite, porous, and unmanaged boundaries, however, encourage illegal cross-border activities, uncontrolled migration, and confrontation; territorial disputes may evolve from historical and/or cultural claims, or they may be brought on by resource competition; ethnic and cultural clashes continue to be responsible for much of the territorial fragmentation around the world; disputes over islands at sea or in rivers frequently form the source of territorial and boundary conflict; other sources of contention include access to water and mineral (especially petroleum) resources, fisheries, and arable land; nonetheless, most nations cooperate to clarify their international boundaries and to resolve territorial and resource disputes peacefully; regional discord today prevails not so much between the armed forces of independent states as between stateless armed entities that detract from the sustenance and welfare of local populations, leaving the community of nations to cope with resultant refugees, hunger, disease, impoverishment, and environmental degradation

Yemen

Yemen protests Eritrea fishing around the Hanish Islands awarded to Yemen by the ICJ in 1999; Saudi Arabia still maintains the concrete-filled pipe as a security barrier along sections of the border with Yemen in 2004 to stem illegal cross-border activities; Yemen protests Saudi erection of a concrete-filled pipe as a security barrier in 2004 to stem illegal cross-border activities in sections of the boundary

Zambia | in 2004 Zimbabwe dropped objections to plans between Botswana and Zambia to build a bridge over the Zambezi River, thereby de facto recognizing a short, but not clearly delimited, Botswana-Zambia boundary in the river

Zimbabwe

Botswana has built electric fences and South Africa has placed military along the border to stem the flow of thousands of Zimbabweans fleeing to find work and escape political persecution; Namibia has supported and in 2004 Zimbabwe dropped objections to plans between Botswana and Zambia to build a bridge over the Zambezi River, thereby de facto recognizing a short, but not clearly delimited Botswana-Zambia boundary in the river

This page was last updated on 29 March, 2006