Geographic location
Adelaide Island
7
Aegir Ridge
1
Aeolus
4
Aguirre
4
Agulhas Basin
49
Ajax
4
Alabama
6
Alaid
4
Alazeya
1
Allo
2
Alpha Ridge
1
Alvarez
1
American Lake
4
Amundsen Basin
55
Amundsen Sea
324
Anabar
1
Anchorage
4
Andreas
7
Andreyev
2
Andrus
4
Antarctic
787
Antarctic Ocean
44
Antarctic Peninsula
216
Anvers
3
Anvers Island
3
Anzac
4
Arago
4
Aranda
4
Arauco
10
Arctic
6,525
Arctic Ocean
4,465
Arctowski
4
Argentina
10
Argentine
37
Argentine Islands
31
Arras
4
Astor
4
Astrid Ridge
2
Astrolabe
9
Atka
110
Atkinson
5
Atlantic-Indian Ridge
1
Audrey
4
Augusta
11
Augusto
2
Austin
1
Austral
40
Autan
6
Aven
6
Ayaks
4
more ...