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Abrolhos Archipelago (Marine Park) |
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Açores (Archipelago) |
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Adelaide (City) |
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Adriatic Sea (IHO Sea Area) |
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Adriatic Sea (Marine Ecoregion of the World (MEOW))  has preferred alternative Adriatic Sea |
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Aegean Islands (General Region) |
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Aegean Sea (IHO Sea Area) |
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Aegean Sea (Marine Ecoregion of the World (MEOW)) has preferred alternative Aegean Sea |
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Africa (Continent) |
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Africa South Coast (Coast) |
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Afrique de l'Ouest (General Region) |
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Agig Harbour (Bay) |
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Agios Efstratios (Island) |
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Agulhas (Marine Province) |
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Agulhas Bank (Bank) |
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Agulhas Bank (Marine Ecoregion of the World (MEOW)) |
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Agulhas Banks (Bank) |
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Alaska (State) |
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Alaskan Exclusive Economic Zone (EEZ) |
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Albania (Nation) |
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Albanian Exclusive Economic Zone (EEZ) |
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Alboran (Island) |
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Alboran Sea (IHO Sea Area) |
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Alboran Sea (Marine Ecoregion of the World (MEOW)) has preferred alternative Alboran Sea |
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Aldabra Islands (Archipelago) |
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Aldrich Deep (Trench) |
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Aleutian Islands (Archipelago) |
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Aleutian Islands (Marine Ecoregion of the World (MEOW)) |
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Alexandria (Town) |
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Algeria (Nation) |
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Algerian Coast (Coast) |
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Algerian Exclusive Economic Zone (EEZ) |
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Algiers Bay (Bay) |
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Algoa Bay (Bay) |
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Aliwal Shoal (Reef) |
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Alternative Classifications (General Region) |
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Amazon River (Stream) |
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Amazonia (Marine Ecoregion of the World (MEOW)) |
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Amboina (Island) |
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Ambon (Island) |
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Ambon Bay (Bay) |
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Amirante Islands (Archipelago) |
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Amirantes (Archipelago) |
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Amsterdam-St Paul (Marine Province) |
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Amsterdam-St Paul (Marine Ecoregion of the World (MEOW)) |
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Amundsen/Bellingshausen Sea (Marine Ecoregion of the World (MEOW)) |
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Anakao (Town) |
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Andaman (Marine Province) |
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Andaman and Nicobar (Union Territory) |
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Andaman and Nicobar Islands (Marine Ecoregion of the World (MEOW)) |
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Andaman and Nicobar Islands Exclusive Economic Zone (EEZ) |
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Andaman Islands (Archipelago) |
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Andaman Sea (IHO Sea Area) |
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Andaman Sea Coral Coast (Marine Ecoregion of the World (MEOW)) |
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Angola (Nation) |
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Angolan (Marine Ecoregion of the World (MEOW)) |
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Angolan Exclusive Economic Zone (EEZ) |
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Annobon (Island) |
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Antarctic 200 NM zone beyond the coastline (200 NM zone beyond the coastline) |
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Antarctic Ocean (IHO Sea Area) |
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Antarctic Peninsula (Marine Ecoregion of the World (MEOW)) |
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Antarctica (Continent) |
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Antarctica (Large Marine Ecosystem) |
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Antigua (Island) |
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Antigua and Barbuda (Nation) |
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Antiguan and Barbudan Exclusive Economic Zone (EEZ) |
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Antilles Sea (Sea) has preferred alternative Caribbean Sea |
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Arabian Gulf (IHO Sea Area) |
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Arabian Sea (IHO Sea Area) |
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Arafura Sea (IHO Sea Area) |
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Arafura Sea (Marine Ecoregion of the World (MEOW)) has preferred alternative Arafura Sea |
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Araucanian (Marine Ecoregion of the World (MEOW)) |
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Arcachon Bay (Lagoon) |
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Archipel des Glorieuses (Possession) |
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Archipiélago Juan Fernandez (Island Group) |
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Arctic (Realm) |
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Arctic (Marine Province) |
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Arctic Ocean (IHO Sea Area) |
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Argelia (Nation) |
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Argentiinan Allas (Basin) |
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Argentina (Nation) |
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Argentina Basin (Basin) |
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Argentina Nõgu (Basin) |
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Argentine Basin (Basin) |
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Argentinian Exclusive Economic Zone (EEZ) |
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Argentinska Bäckenet (Basin) |
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Argentinskaya Kotlovina (Basin) |
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Arguin Bank (Bank) |
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Arnhem Coast to Gulf of Carpenteria (Marine Ecoregion of the World (MEOW)) |
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Aru Islands (Archipelago) |
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Aruba (Dependent State) |
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Ascension (Dependency) |
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Ashmore Reef (Reef) |
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Asia (Continent) |
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Atlantic Coast of South America (Coast) |
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Atlantic Coast of the United States (Coast) |
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Atlantic County (County) |
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Atlantic Europe (General Region) |
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Atlantic Ocean (General Sea Area) |
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Auckland Island (Marine Ecoregion of the World (MEOW)) |
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Australia (Nation) |
