Angola
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm

Anguilla
territorial sea: 3 nm
exclusive fishing zone: 200 nm

Antarctica
Australia, Chile, and Argentina claim Exclusive Economic
Zone (EEZ) rights or similar over 200 nm extensions seaward from
their continental claims, but like the claims themselves, these
zones are not accepted by other countries; 20 of 27 Antarctic
consultative nations have made no claims to Antarctic territory
(although Russia and the US have reserved the right to do so) and do
not recognize the claims of the other nations; also see the Disputes
- international entry

Antigua and Barbuda
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

Argentina
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

Armenia
none (landlocked)

Aruba
territorial sea: 12 nm

Ashmore and Cartier Islands
territorial sea: 12 nm
contiguous zone: 12 nm
continental shelf: 200-m depth or to the depth of exploitation
exclusive fishing zone: 200 nm

Australia
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

Austria
none (landlocked)