Arctic Ocean
some maritime disputes (see littoral states)

Argentina
claims UK-administered Falkland Islands (Islas Malvinas)
and South Georgia and the South Sandwich Islands in its
constitution, 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 harbors
Islamist militants; uncontested dispute between Brazil and Uruguay
over Braziliera Island in the Quarai/Cuareim 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, closer ties with
Armenia

Aruba
none

Ashmore and Cartier Islands nationalist group in Indonesia reportedly seeks to populate reefs to assert claims; Australia has moved to close reefs to Indonesian traditional fishing and to create a national park while prospecting for hydrocarbons in the vicinity

Atlantic Ocean
some maritime disputes (see littoral states)

Australia
maritime delimitation and resource sharing agreements
signed with East Timor resolve dispute over "Timor Gap" hydrocarbon
reserves; no agreement reached on dividing Timor Sea with Indonesia
(see Ashmore and Cartier Islands disputes); Australia asserts a
territorial claim to Antarctica and to its continental shelf (see
Antarctica)

Austria
minor disputes with Czech Republic and Slovenia continue
over nuclear power plants and post-World War II treatment of
German-speaking minorities

Azerbaijan
Armenia supports ethnic Armenian secessionists in
Nagorno-Karabakh and militarily occupies about one-sixth of
Azerbaijan - 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; ICJ decision expected to resolve dispute with
Turkmenistan over sovereignty of certain Caspian oilfields

Bahamas, The
have not been able to agree on a maritime boundary with
the US