Angola
continues to give shelter to refugees from the Democratic
Republic of the Congo while many Angolan refugees and Cabinda
exclave secessionists reside in neighboring states

Anguilla
none

Antarctica
Antarctic Treaty freezes claims (see Antarctic Treaty
Summary in Government type entry); sections (some overlapping)
claimed by Argentina, Australia, Chile, France, NZ, Norway, and UK;
the US and most other states do not recognize the territorial claims
of other states 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 land 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
UK continues to reject sovereignty talks requested by
Argentina, whose constitution still claims UK-administered Falkland
Islands (Islas Malvinas) and South Georgia and the South Sandwich
Islands, but in 1995 ceded the right to settle the dispute by force;
Beagle Channel islands dispute resolved through Papal mediation in
1984, but armed incidents persist since 1992 oil discovery;
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 drug 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 militarily occupies 16% of Azerbaijan -
Organization for Security and Cooperation in Europe (OSCE) continues
to mediate dispute; border with Turkey remains closed over
Nagorno-Karabakh dispute; traditional demands regarding former
Armenian lands in Turkey have subsided; ethnic Armenian groups in
Javakheti region of Georgia seek greater autonomy from the new
Georgian Government

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 has created a national park in
the region while continuing to prospect for hydrocarbons in the
vicinity

Atlantic Ocean
some maritime disputes (see littoral states)