| | | | |
| | | | |
|
|
Adelaide Island
| Antarctica |
| |
|
|
Admiralty Islands
| Melanesia |
| |
|
|
Adriatic basin
| |
| |
|
|
Adriatic Sea
| |
| |
|
|
Aegean Sea
| |
| |
|
|
Afghanistan
| Southwest Asia |
| |
|
|
Africa
| Africa |
| |
|
|
Agalega Islands
| Western Indian Ocean |
| |
|
|
Alabama
| U.S.A. |
| |
|
|
Alaska
| Northern America |
| |
|
|
Albania
| Southern Europe |
| |
|
|
Aldabra Atoll
| Eastern Africa |
| |
|
|
Aleutian Islands
| North Pacific |
| |
|
|
Algeria
| Northern Africa |
| |
|
|
Algoa Bay
| South Africa |
| |
|
|
Aliwal Shoal
| Southern Africa |
| |
|
|
Al-Qusair
| Egypt |
| |
|
|
Amapá
| Brazil |
| |
|
|
Amazon River System
| Brazil |
| |
|
|
Ambon Island
| Indonesia |
| |
|
|
American Samoa
| South Pacific Ocean |
| |
|
|
Amirantes
| Western Indian Ocean |
| |
|
|
Amsterdam Islands
| Southern Indian Ocean |
| |
|
|
Amur River System
| Asia |
| |
|
|
Andaman Islands
| Southeastern Asia |
| |
|
|
Andaman Sea
| |
| |
|
|
Andorra
| Western Europe |
| |
|
|
Angola
| Central Africa |
| |
|
|
Anguilla
| Caribbean |
| |
|
|
Anjouan Island
| Western Indian Ocean |
| |
|
|
Annobón Island
| Equatorial Guinea |
| |
|
|
Antarctic
| Antarctica |
| |
|
|
Antarctica
| Antarctica |
| |
|
|
Antigua and Barbuda
| Caribbean |
| |
|
|
Approuague River System
| French Guiana |
| |
|
|
Apuré River System
| |
| |
|
|
Arabian Gulf
| Western Asia |
| |
|
|
Arabian Peninsula
| Arabian Sea |
| |
|
|
Arabian Peninsular
| |
| |
|
|
Arabian Sea
| |
| |
|
|
Arafura Sea
| Australasia |
| |
|
|
Araguaia River System
| Brazil |
| |
|
|
Araguari River System
| Brazil |
| |
|
|
Aral Sea
| Asia |
| |
|
|
Araranguá River System
| Brazil |
| |
|
|
Arctic
| North Pole |
| |
|
|
Argentina
| South America |
| |
|
|
Arizona
| North America |
| |
|
|
Arkansas
| North America |
| |
|
|
Armenia
| European Former USSR |
| |
|
|
Aru Islands
| Indonesia |
| |
|
|
Aruba
| Caribbean |
| |
|
|
Arunachal Pradesh
| India |
| |
|
|
Ascension Island
| Southern Atlantic |
| |
|
|
Asia
| Asia |
| |
|
|
Atlantic
| --- |
| |
|
|
Atlantic drainages
| Atlantic Ocean |
| |
|
|
Atlantic Ocean
| --- |
| |
|
|
Atrato River basin
| Colombia |
| |
|
|
Austral Islands
| South Pacific |
| |
|
|
Australia
| Australia/New Zealand |
| |
|
|
Austria
| Western Europe |
| |
|
|
Azerbaijan
| European Former USSR |
| |
|
|
Azores
| North Atlantic Ocean |
| |
|
|
Azores Islands
| Western Europe |
| |
|
|
Azov Sea
| Europe |
| |
|
|
Bahamas
| Caribbean |
| |
|
|
Bahia
| |
| |
|
|
Bahrain
| Western Asia |
| |
|
|
Bali
| --- |
| |
|
|
Balleny Islands
| Antarctica |
| |
|
|
Baltic Sea
| |
| |
|
|
Bangladesh
| Southern Asia |
| |
|
|
Barbados
| Caribbean |
| |
|
|
Barents Sea
| |
| |
|
|
Bay of Bengal
| Eastern Indian Ocean |
| |
|
|
Belarus
| European Former USSR |
| |
|
|
Belgium
| Western Europe |
| |
|
|
Belize
| Central America |
| |
|
|
Benin
| Western Africa |
| |
|
|
Bermuda
| Caribbean |
| |
|
|
Bhutan
| Southern Asia |
| |
|
|
Bolivia
| South America |
| |
|
|
Borneo
| --- |
| |
|
|
Bosnia and Herzegovina
| Southern Europe |
| |
|
|
Botswana
| Southern Africa |
| |
|
|
Bouvet Island
| Southern Atlantic |
| |
|
|
Brazil
| South America |
| |
|
|
British Antarctic Territory
| Antarctica |
| |
|
|
British Columbia
| Canada |
| |
|
|
British Indian Ocean Tr.
| Southern Africa |
| |
|
|
Brunei Darrusalam
| Southeastern Asia |
| |
|
|
Bulgaria
| Eastern Europe |
| |
|
|
Burkina Faso
| Western Africa |
| |
|
|
Burundi
| Eastern Africa |
| |
|
|
Cambodia
| Southeastern Asia |
| |
|
|
Canada
| Northern America |
| |
|
|
Canada nei
| Northern America |
| |
|
|
Canary Islands
| Western Africa |
| |
|
|
Cape Verde
| Western Africa |
| |
