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- Planet (Planet)
- World (World)
- Africa (Continent)
- Antarctica (Continent)
- Asia (Continent)
- Abu musa, Greater and Lesser Tunb (Island Group)
- Afghanistan (Nation)
- Altai (Mountain range)
- Anatolia (General Region)
- Armenia (Nation)
- Azerbaijan (Nation)
- Bahrain (Nation)
- Bangladesh (Nation)
- Bengal (Area)
- Bhutan (Nation)
- Brunei (Nation)
- Cambodia (Nation)
- Central Asia (General Region)
- China (Nation)
- East Indies (General Region)
- East Palearctic region (General Region)
- East Timor (Nation)
- Eastern Asia (General Region)
- Eurasia (General Region)
- Former USSR (Former Nation)
- India (Nation)
- Indonesia (Nation)
- Iran (Nation)
- Iraq (Nation)
- Israel (Nation)
- Japan (Nation)
- Jordan (Nation)
- Kazakhstan (Nation)
- Korean Peninsula (Former Nation)
- Kuwait (Nation)
- Kyrgyzstan (Nation)
- Laos (Nation)
- Lebanon (Nation)
- Malaysia (Nation)
- Maldives (Nation)
- Malesia (Floristic Region)
- Mekong (River)
- Middle East (General Region)
- Mongolia (Nation)
- Myanmar (Nation)
- Near East (General Region)
- Nepal (Nation)
- New Guinea (Island)
- North East Asia (General Region)
- North Korea (Nation)
- Northern Asia (General Region)
- Oman (Nation)
- Oriental Region (General Region)
- Pakistan (Nation)
- Palestine (Nation)
- Philippines (Nation)
- Qatar (Nation)
- Ad Dawhah (Municipality)
- Al Daayen (Municipality)
- Al Khawr (Municipality)
- Al Wakrah (Municipality)
- Ar Rayyan (Municipality)
- Madinat ach Shamal (Municipality)
- Qatari 12 NM (Territorial Sea)
- Qatari Coast (Coast)
- Qatari Exclusive Economic Zone (EEZ)
- Qatari 12 NM (Territorial Sea)
- Qatari 24 NM (Contiguous zone)
- Qatari part of the Persian Gulf (Marine Region)
- Hawar Islands (Wetland of International Importance (Ramsar Convention))
- Umm Salal (Municipality)
- Saudi Arabia (Nation)
- Singapore (Nation)
- South East Asia (General Region)
- South Korea (Nation)
- Southern Asia (General Region)
- Sri Lanka (Nation)
- Syria (Nation)
- Taiwan (Nation)
- Tajikistan (Nation)
- Thailand (Nation)
- Tien Shan (Mountain range)
- Timor Island (Island)
- Türkiye (Nation)
- Turkmenistan (Nation)
- United Arab Emirates (Nation)
- Uzbekistan (Nation)
- Vietnam (Nation)
- Western Asia (General Region)
- Yemen (Nation)
- Europe (Continent)
- North America (Continent)
- Oceania (Continent)
- South America (Continent)
- World Oceans (World)
- Arctic Ocean (IHO Sea Area)
- Atlantic Ocean (General Sea Area)
- Baltic Sea (IHO Sea Area)
- High Seas (High Seas)
- Indian Ocean (IHO Sea Area)
- Abrolhos Australian Marine Park (Protected Area)
- Abrolhos Islands Fish Habitat Protection Area (Protected Area)
- Adelaide Bank (Bank)
- Afanasij Nikitin Seamount (Seamount(s))
- Africana Rise (Rise)
- Africana Seamount (Seamount(s))
- Agulhas Bank (Bank)
- Agulhas Current (Current)
- Agulhas Plateau (Plateau)
- Airlie Island (Island)
- Albany Canyon (Canyon(s))
- Aldabra Atoll (World Marine Heritage Site)
- Aldabra Islands (Archipelago)
- Algoa Bay (Bay)
- Aliwal Shoal (Reef)
- Alix Seamount (Seamount(s))
- Alphard Banks (Bank)
- Amirante Banks (Bank)
- Amirante Basin (Basin)
- Amirante Trench (Trench)
- Amirantes (Archipelago)
- Amsterdam and Saint Paul Islands (Island Group)
- Amsterdam Island (Island)
- Andaman Sea (IHO Sea Area)
- Andrew Bain Fracture Zone (Fracture Zone)
- Andrew Guyot (Guyot)
- Aniva Seamount (Seamount(s))
- Anna de Koningh Seamount (Seamount(s))
- Antarctic Bottom Water (Water mass)
- Antarctic Intermediate Water (Water mass)
- Antares Bank (Bank)
- Anton Bruun Rise (Rise)
- Arabian Sea (IHO Sea Area)
- Arafura Sea (IHO Sea Area)
- Argo Abyssal Plain (Abyssal Plain)
- Argo Fracture Zone (Fracture Zone)
- Argo-Rowley Terrace Australian Marine Park (Protected Area)
- Ashmore Reef (Reef)
- Ashmore Reef Australian Marine Park (Protected Area)
- Asquith Rise (Rise)
- Atlantis II Fracture Zone (Fracture Zone)
- Atoll de Farquhar (Archipelago)
- AU-08 (HAB monitoring grid)
- AU-26 (HAB monitoring grid)
- Aubert de la Rüe Seamounts (Seamount(s))
- Aurora Bank (Bank)
- Australian Exclusive Economic Zone (Christmas Island) (EEZ)
- Australian Exclusive Economic Zone (Cocos Islands) (EEZ)
- Australian Exclusive Economic Zone (Heard and McDonald Islands) (EEZ)
- Australian part of the Indian Ocean (Marine Region)
- Australian part of the Indian Ocean (Christmas Island) (Marine Region)
- Australian part of the Indian Ocean (Cocos Islands) (Marine Region)
- Australian part of the Indian Ocean (Heard and McDonald Islands) (Marine Region)
- Australian-Antarctic Discordance (Discordance)
- Baissac Bank (Bank)
- Bajuni Archipelago (Archipelago)
- Bandicoot Seamount (Seamount(s))
- Bangu Knoll (Knoll(s))
- BANZARE Bank (Bank)
- Bao Chuan Fracture Zone (Fracture Zone)
- Bardin Seamount (Seamount(s))
- Barracouta Shoal (Reef)
- Barrow Island Marine Management Area (Protected Area)
- Barrow Island Marine Park (Protected Area)
- Bartlett Seamounts (Seamount(s))
- Bassett-Smith Shoal (Reef)
- Batavia Rise (Rise)
- Bay of Bengal (IHO Sea Area)
- Beagle Islands Nature Reserve (Protected Area)
- Bezrukov Ridge (Ridge)
- Bob Fisher Ridge (Ridge)
- Boodalan Nature Reserve (Protected Area)
- Boomerang Seamount (Seamount(s))
- Brenner Seamounts (Seamount(s))
- Broke Canyon (Canyon(s))
- Broken Ridge (Ridge)
- Brouwer Seamount (Seamount(s))
- Brouwer Trough (Trough)
- Brownes Bank (Bank)
- Bulldog Bank (Bank)
- Buller, Whittell And Green Islands Nature Reserve (Protected Area)
- Bulpin Seamount (Seamount(s))
- Bunce Seamounts (Seamount(s))
- California Intermediate Water (Water mass)
- Cap Horn Seamount (Seamount(s))
- Cape Range Canyon (Canyon(s))
- Cape Range Escarpment (Escarpment)
- Cape Range Fracture Zone (Fracture Zone)
- Careening Bay (Bay)
- Cargados Carajos Bank (Bank)
- Cargados Carajos Islands (Archipelago)
- Carnarvon Canyon (Canyon(s))
- Carnarvon Canyon Australian Marine Park (Protected Area)
- Carnarvon Terrace (Terrace)
- Cartier Island Australian Marine Park (Protected Area)
- Cauvin Bank (Bank)
- Central Indian Ocean (General Sea Area)
- Central Indian Ridge (Ridge)
- Central Terrace (Terrace)
- Centurion Bank (Bank)
- Cerf Ridge (Ridge)
- Cervantes Islands Nature Reserve (Protected Area)
- Ceylon Plain (Plain)
- Chagos Archipelago (Archipelago)
- Chagos Bank (Bank)
- Chagos Trough (Trough)
- Chain Ridge (Ridge)
- Chisimaio (Bay)
- Christmas Island (Dependent State)
- Christmas Rise (Rise)
- Chun Spur (Spur)
- Circe Peak (Peak)
- Clerke Reef (Reef)
- Cloates Canyon (Canyon(s))
- Coco-de-Mer Ridge (Ridge)
- Cocos Basin (Basin)
- Cocos Keeling Rise (Rise)
- Cocos Plain (Plain)
- Cocos-Keeling Rise (Rise)
- Common Water (Water mass)
- Comoran part of the Indian Ocean (Marine Region)
- Comoro Islands (Archipelago)
- Conrad Rise (Rise)
- Coral Bank (Bank)
- Correira Bank (Bank)
- Cottesloe Reef Fish Habitat Protection Area (Protected Area)
- Crozet Basin (Basin)
- Crozet Islands (Archipelago)
- Crozet Plateau (Plateau)
- Crozet Ridge (Ridge)
- Cuvier Abyssal Plain (Abyssal Plain)
- Cuvier Basin (Basin)
- Cuvier Plateau (Plateau)
- D’Entrecasteaux Canyon (Canyon(s))
- Dampier Archipelago (Archipelago)
- Dampier Australian Marine Park (Protected Area)
- Danilevsky Seamount (Seamount(s))
- Darwin Hill (Hill(s))
- David Spur (Spur)
- Davie Seamount (Seamount(s))
- Deacon Seamount (Seamount(s))
- Delagoa Bay (Bay)
- Diamantina Escarpment (Escarpment)
- Diamantina Fracture Zone (Fracture Zone)
- Diego Garcia Atoll (Atoll)
- Diogo Dias Hills (Hill(s))
- Dirck Hartog Ridge (Ridge)
- Discovery Bank (Bank)
- Discovery II Fracture Zone (Fracture Zone)
- Dordrecht Hole (Hole)
- Drygalski Ridge (Ridge)
- Drygalski Seamounts (Seamount(s))
- du Fresne Knoll (Knoll(s))
- Duanqiao Hill (Hill(s))
- DuToit Fracture Zone (Fracture Zone)
- East Indiaman Ridge (Ridge)
- East Indian Ocean (General Sea Area)
- Echuca Shoal (Reef)
- Eendracht Seamounts (Seamount(s))
- Egeria Fracture Zone (Fracture Zone)
- Egmont Islands (Archipelago)
- Eighty Mile Beach Australian Marine Park (Protected Area)
- Eighty Mile Beach Marine Park (Protected Area)
- Elan Bank (Bank)
- Elcano Rise (Rise)
- Enderby Abyssal Plain (Abyssal Plain)
- Enggano Basin (Basin)
- Equatorial Central Waters (Water mass)
- Equatorial Countercurrent (Current)
- Equatorial Undercurrent (Current)
- Eric Simpson Fracture Zone (Fracture Zone)
- Essex Rocks Nature Reserve (Protected Area)
- Eugene McDermott Shoal (Reef)
- Exmouth Plateau (Plateau)
- Farquhar Ridge (Ridge)
- Fawn Trough (Trough)
- Fengyan Seamount (Seamount(s))
- Fisherman Islands Nature Reserve (Protected Area)
- Flinders Fracture Zone (Fracture Zone)
- Flying Fish Seamounts (Seamount(s))
- Fortune Bank (Bank)
- Fred Seamount (Seamount(s))
- French Austral Lands and Seas (World Marine Heritage Site)
- French Exclusive Economic Zone (Amsterdam and Saint Paul Islands) (EEZ)
- French Exclusive Economic Zone (Crozet Islands) (EEZ)
- French Exclusive Economic Zone (Kerguélen) (EEZ)
- French Exclusive Economic Zone (Réunion) (EEZ)
- French Extended Continental Shelf (Amsterdam and Saint Paul Islands) (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- French Extended Continental Shelf (Kerguelen) (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- French Extended Continental Shelf (Réunion) (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- French part of the Indian Ocean (Amsterdam and Saint Paul Islands) (Marine Region)
- French part of the Indian Ocean (Crozet Islands) (Marine Region)
- French part of the Indian Ocean (Kerguelen) (Marine Region)
- French part of the Indian Ocean (Réunion) (Marine Region)
- Fuji Seamount (Seamount(s))
- Funk Seamount (Seamount(s))
- Gallieni Fracture Zone (Fracture Zone)
- Gallieni Rise (Rise)
- Gallieni Spur (Spur)
- Ganges Bank (Bank)
- Garden Island (Island)
- Gardiner Seamounts (Seamount(s))
- Gascoyne Australian Marine Park (Protected Area)
- Gascoyne Plain (Plain)
- Gaskell Ridge (Ridge)
- Gauss Fracture Zone (Fracture Zone)
- Gazelle Fracture Zone (Fracture Zone)
- Geelvinck Fracture Zone (Fracture Zone)
- Geographe Australian Marine Park (Protected Area)
- Geographer Bay (Bay)
- George V Fracture Zone (Fracture Zone)
- Geraldton Canyon (Canyon(s))
- Geroevka Bank (Bank)
- Giraud Seamount (Seamount(s))
- Goeree Shoal (Reef)
- Golden Bo'sunbird Seamounts (Seamount(s))
- Gololobov Bank (Bank)
- Graf Wilczek Knoll (Knoll(s))
- Graf-Wilczek Knoll (Knoll(s))
- Great Australian Bight (IHO Sea Area)
- Great Brak River (Estuary)
- Great Sandy Island Nature Reserve (Protected Area)
- Grue Bank (Bank)
- Gulden Draak Rise (Rise)
- Gulf of Aden (IHO Sea Area)
- Gulf of Aqaba (IHO Sea Area)
- Gulf of Mannar (Gulf)
- Gulf of Oman (IHO Sea Area)
- Gulf of Suez (IHO Sea Area)
- Hamelin Pool Marine Nature Reserve (Protected Area)
- Hardy Bank (Bank)
- Haslam Seamount (Seamount(s))
- Haslam Seamount (historical) (Seamount(s))
- Heard and McDonald Islands (World Marine Heritage Site)
- Heard Island and McDonald Islands Commonwealth Marine Reserve (Protected Area)
- Heywood Shoal (Reef)
- Hibernia Reef (Reef)
- High Seas of the Indian Ocean (Marine Region)
- Hillegom Hole (Hole)
- Hongpao Seamount (Seamount(s))
- Hood Point (Point)
- Horizon Ridge (Ridge)
- Houkui Hill (Hill(s))
- Houtman Abrolhos (Archipelago)
- Houtman Canyon (Canyon(s))
- Houxian Seamount (Seamount(s))
- Huapengu Hill (Hill(s))
- Hydra Seamount (Seamount(s))
- Ibo (Bay)
- Imperieuse Reef (Reef)
- Indian Cordillera (Cordillera)
- Indian Deep (Deep)
- Indian part of the Indian Ocean (Andaman and Nicobar Islands) (Marine Region)
- Indomed Fracture Zone (Fracture Zone)
- Indonesian Extended Continental Shelf (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- Indonesian Intermediate Water (Water mass)
- Indonesian part of the Indian Ocean (Marine Region)
- Investigator Ridge (Ridge)
- IPY Seamount (Seamount(s))
- iSimangaliso Wetland Park (World Marine Heritage Site)
- Izhevskiy Seamount (Seamount(s))
- Java Ridge (Ridge)
- Jogo Jagad Seamount (Seamount(s))
- John Harrison Ridge (Ridge)
- Joint regime area France (Crozet Islands) / South Africa (Prince Edward Islands) (CLCS Recommendation) (Extended Continental Shelf (Joint CLCS Recommendation))
- Joint regime area Republic of Mauritius / Seychelles (DOALOS Deposit) (Extended Continental Shelf (Joint DOALOS Deposit))
- Jurien Australian Marine Park (Protected Area)
- Jurien Bay Marine Park (Protected Area)
- Kalbarri Blue Holes Fish Habitat Protection Area (Protected Area)
- Kanaev Seamount (Seamount(s))
- Karma Seamounts (Seamount(s))
- KE-01 (HAB monitoring grid)
- Kenyan Exclusive Economic Zone (EEZ)
- Kenyan Extended Continental Shelf (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- Kenyan part of the Indian Ocean (Marine Region)
- Kerguélen (Archipelago)
- Kerguelen Plateau (Plateau)
- Khain Seamount (Seamount(s))
- King Seamount (Seamount(s))
- Kleinemonde (Estuary)
- Knipper Seamount (Seamount(s))
- Kohler Seamount (Seamount(s))
- Kosi Bay (Bay)
- Kuenen Rise (Rise)
- Kurchatov Seamount (Seamount(s))
- Kuwait Bay (Bay)
- La Bourdonnais Ridge (Ridge)
- La Feuillée Bank (Bank)
- La Junon Bank (Bank)
- La Perle Reef (Reef)
- La Pérouse Seamount (Seamount(s))
- La Réunion Trough (Trough)
- Laccadive Sea (IHO Sea Area)
- Lakshadweep (Archipelago)
- Lalang-garram / Camden Sound Marine Park (Protected Area)
- Lalang-garram / Horizontal Falls Marine Park (Protected Area)
- Lamar Hayes Ridge (Ridge)
- Lameyre Ridge (Ridge)
- Lancelin Island Lagoon Fish Habitat Protection Area (Protected Area)
- Langseth Trough (Trough)
- Langzhanggu Hill (Hill(s))
- Le Constant Bank (Bank)
- Le Vasseur Seamount (Seamount(s))
- Leclaire Rise (Rise)
- Leeuwin Canyon (Canyon(s))
- Lena Seamount (Seamount(s))
- L'Espoir Ridge (Ridge)
- Lesser Sunda Islands (Archipelago)
- Lindi Canyon (Canyon(s))
- Lipfert, Milligan, Etc Islands Nature Reserve (Protected Area)
- Lombok Basin (Basin)
- Lost Dutchmen Ridge (Ridge)
- Lowreenne Borderland (Borderland)
- Loyd Dill Seamount (Seamount(s))
- Lufei Seamount (Seamount(s))
- Lynher Reef (Reef)
- Mabahiss Fracture Zone (Fracture Zone)
- Madagascan Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Madagascan part of the Indian Ocean (Marine Region)
- Madagascar Basin (Basin)
- Madagascar Plateau (Plateau)
- Madingley Rise (Rise)
- Mahé (Island)
- Malay Archipelago (Archipelago)
- Maldivian Exclusive Economic Zone (EEZ)
- Maldivian part of the Indian Ocean (Marine Region)
- Malindi Marine National Park (Marine Park)
- Mallory Seamount (Seamount(s))
- Maojian Ridge (Ridge)
- Maputo River (River)
- Marion Dufresne Seamount (Seamount(s))
- Marmion Marine Park (Protected Area)
- Mary Celeste Fracture Zone (Fracture Zone)
- Mascareignes Archipelago (Archipelago)
- Mascarene Basin (Basin)
- Mascarene Islands (Archipelago)
- Mascarene Plain (Plain)
- Mascarene Plateau (Plateau)
- Maugham Seamount (Seamount(s))
- Maurice Hill Ridge (Ridge)
- Mauritian Exclusive Economic Zone (EEZ)
- Mauritian Exclusive Economic Zone (Chagos Archipelago) (EEZ)
- Mauritian Extended Continental Shelf (Chagos Archipelago) (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Mauritian Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Mauritian part of the Indian Ocean (Marine Region)
- Mauritian part of the Indian Ocean (Chagos Archipelago) (Marine Region)
- Mauritius Trench (Trench)
- McLeod Bank (Bank)
- Melville Bank (Bank)
- Melville Fracture Zone (Fracture Zone)
- Mentawai Basin (Basin)
- Mentawai Ridge (Ridge)
- Mentawai Trough (Trough)
- Mermaid Reef (Reef)
- Mermaid Reef Australian Marine Park (Protected Area)
- Miaboolya Beach Fish Habitat Protection Area (Protected Area)
- Mid-Indian Ocean Basin (Basin)
- Mikindani Canyon (Canyon(s))
- Milanovskiy Seamount (Seamount(s))
- Mingmei Ridge (Ridge)
- Mitin Ridge (Ridge)
- Mombasa Marine National Park (Marine Park)
- Monsoon Rise (Rise)
- Montebello Australian Marine Park (Protected Area)
- Montebello Islands Conservation Park (Protected Area)
- Montebello Islands Marine Park (Protected Area)
- Montebello Saddle (Saddle)
- Morbihan Bay (Bay)
- Morphey Guyot (Guyot)
- Mossel Bay (Bay)
- Mozambican part of the Indian Ocean (Marine Region)
- Mozambique Channel (IHO Sea Area)
- Mozambique Escarpment (Escarpment)
- Mozambique Plateau (Plateau)
- Muirfield Bank (Bank)
- Muiron Islands Marine Management Area (Protected Area)
- MUS-01 (HAB monitoring grid)
- Nancowry Island (Island)
- Natal Seamount (Seamount(s))
- Natal Valley (Valley)
- Naturaliste Fracture Zone (Fracture Zone)
- Naturaliste Plateau (Plateau)
- Nazareth Bank (Bank)
- Needwonne Ridge (Ridge)
- Neprochnov Seamount (Seamount(s))
- Ngari Capes Marine Park (Protected Area)
- Nias Basin (Basin)
- Nicobar Fan (Fan)
- Nicobar Islands (Archipelago)
- Nicobar-Simeulue Basin (Basin)
- Nieuw Amsterdam Fracture Zone (Fracture Zone)
- Ninene Trough (Trough)
- Ningaloo Australian Marine Park (Protected Area)
- Ningaloo Coast (World Marine Heritage Site)
- Ningaloo Marine Park (Protected Area)
- North East Indian Ocean (General Sea Area)
- North Equatorial Countercurrent (Current)
- North Equatorial Current (Current)
- North Equatorial Undercurrent (Current)
- North Indian Ocean (General Sea Area)
- North Kenya Bank (Bank)
- North Lalang-garram Marine Park (Protected Area)
- North West Coast Australia (General Region)
- North West Indian Ocean (General Sea Area)
- Novara Fracture Zone (Fracture Zone)
- Novara Ridge (Ridge)
- Numbat Hill (Hill(s))
- Nyangumarta Warrarn Indigenous Protected Area (Protected Area)
- Ob' Hole (Hole)
- Ob' Seamount (Seamount(s))
- Ommanney Seamount (Seamount(s))
- Osborn Plateau (Plateau)
- Osborn Seamount (Seamount(s))
- Outer Rocks Nature Reserve (Protected Area)
- Overlapping claim Glorioso Islands: France / Madagascar (Overlapping claim)
- Overlapping claim Glorioso Islands: France / Madagascar part of the Indian Ocean (Marine Region)
- Overlapping claim Ile Tromelin: France / Madagascar / Republic of Mauritius (Overlapping claim)
- Overlapping claim Ile Tromelin: France / Madagascar / Republic of Mauritius part of the Indian Ocean (Marine Region)
- Overlapping claim Kenya / Somalia part of the Indian Ocean (Marine Region)
- Overlapping claim Mayotte: France / Comores part of the Indian Ocean (Marine Region)
- Overlapping claim: Australia (DOALOS Deposit) / Indonesia (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Federal Republic of Somalia (CLCS Submission) / Kenya (CLCS Recommendation) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Madagascar (CLCS Submission) / Mozambique (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Maldives (CLCS Submission) / Republic of Mauritius (Chagos Archipelago) (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Maldives (CLCS Submission) / Sri Lanka (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Mozambique (CLCS Submission) / South Africa (CLCS Recommendation) (Overlapping claim (Extended Continental Shelf))
- Owen Bank (Bank)
- Owen Fracture Zone (Fracture Zone)
- Pagai Seamount (Seamount(s))
- Paigu Hill (Hill(s))
- Palk Bay (Bay)
- Palk Strait (Strait)
- Pelsaert Canyon (Canyon(s))
- Pelsaert Seamount (Seamount(s))
- Penguin Deeps (Trough)
- Penguin Shoal (Reef)
- Persian Gulf (IHO Sea Area)
- Al-Qatif (City)
- Bahrain Island (Island)
- Bahraini Exclusive Economic Zone (EEZ)
- Bahraini part of the Persian Gulf (Marine Region)
- Bushehr (City)
- Emirati part of the Persian Gulf (Marine Region)
- Iranian part of the Persian Gulf (Marine Region)
- Iraqi Exclusive Economic Zone (EEZ)
- Iraqi part of the Persian Gulf (Marine Region)
- Khalij Tarut (Bay)
- Kuwaiti Exclusive Economic Zone (EEZ)
- Kuwaiti part of the Persian Gulf (Marine Region)
- Omani part of the Persian Gulf (Marine Region)
- Overlapping claim Abu musa, Greater and Lesser Tunb: United Arab Emirates / Iran (Overlapping claim)
- Overlapping claim Abu musa, Greater and Lesser Tunb: United Arab Emirates / Iran part of the Persian Gulf (Marine Region)
- Overlapping claim: Iraq / Iran (Overlapping claim)
- Overlapping claim: Iraq / Iran part of the Persian Gulf (Marine Region)
- Overlapping claim: Qatar / Saudi Arabia / United Arab Emirates (Overlapping claim)
- Overlapping claim: Qatar / Saudi Arabia / United Arab Emirates part of the Persian Gulf (Marine Region)
- port of Asaluyeh (Harbour)
- Qatari Exclusive Economic Zone (EEZ)
- Qatari part of the Persian Gulf (Marine Region)
- Saudi Arabian Exclusive Economic Zone [Persian Gulf part, north] (Marine Region)
- Saudi Arabian Exclusive Economic Zone [Persian Gulf part, south] (Marine Region)
- Saudi Arabian part of the Persian Gulf (Marine Region)
- Stiffe Bank (Bank)
- Perth Basin (Basin)
- Perth Canyon (Canyon(s))
- Perth Canyon Australian Marine Park (Protected Area)
- Perth Plain (Plain)
- Pike Bank (Bank)
- Pitt Bank (Bank)
- Point Quobba Fish Habitat Protection Area (Protected Area)
- Poydenot Shoal (Shoal)
- Praslin reef (Reef)
- Prince Edward Fracture Zone (Fracture Zone)
- Protea Banks (Bank)
- Providence (Island)
- Providence Bank (Bank)
- Pulu Keeling National Park (Commonwealth) (Protected Area)
- Qiaoyue Seamount (Seamount(s))
- Quokka Seamount (Seamount(s))
- Quoll Seamount (Seamount(s))
- Raitt Rise (Rise)
- Red Sea (IHO Sea Area)
- Red Sea Intermediate Water (Water mass)
- Revelle Rise (Rise)
- Richards Bay (Bay)
- Rig Seismic Seamount (Seamount(s))
- Ritchie Bank (Bank)
- Rocky Island Nature Reserve (Protected Area)
- Rodrigues Fracture Zone (Historical undersea feature)
- Rodrigues Island (Island)
- Rodrigues Ridge (Ridge)
- Roebuck Australian Marine Park (Protected Area)
- Ronsard Rocks Nature Reserve (Protected Area)
- Roo Rise (Rise)
- Rottnest Island (Island)
- Rovuma Canyon (Canyon(s))
- Rowley Reefs (Reef)
- Rowley Shelf (Shelf)
- Rowley Shoals Marine Park (Protected Area)
- Ryurik Seamount (Seamount(s))
- SA-03 (HAB monitoring grid)
- Sahul Banks (Bank)
- Sahul Shelf (Shelf)
- Saint Paul Island (Island)
- Saint Vincent Fracture Zone (Fracture Zone)
- Sanbao Hill (Hill(s))
- Sandland Island Nature Reserve (Protected Area)
- Sapmer Seamount (Seamount(s))
- Saya de Malha Bank (Bank)
- Scattered Islands in the Indian Ocean (Archipelago)
- Schlich Seamount (Seamount(s))
- Scott Plateau (Plateau)
- Scott Reef Nature Reserve (Protected Area)
- Seagull Shoal (Shoal)
- Sealark Fracture Zone (Fracture Zone)
- Sedimentary Deposits Reserve 5(1)(g) Reserve (Protected Area)
- Serendip Seamount (Seamount(s))
- Seringapatam Reef (Reef)
- Seychelles Bank (Bank)
- Seychellois Exclusive Economic Zone (EEZ)
- Seychellois Extended Continental Shelf (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- Seychellois part of the Indian Ocean (Marine Region)
- Seymour Sewell Seamount (Seamount(s))
- Shackleton Seamount (Seamount(s))
- Shark Bay (Bay)
- Shark Bay Australian Marine Park (Protected Area)
- Shark Bay Marine Park (Protected Area)
- Shark Bay, Western Australia (World Marine Heritage Site)
- Sharpeigh Knoll (Knoll(s))
- Shcherbakov Seamount (Seamount(s))
- Shell Bank (Bank)
- Shoalwater Bay Islands Nature Reserve (Protected Area)
- Shoalwater Islands Marine Park (Protected Area)
- Shugu Hill (Hill(s))
- Siwen Ridge (Ridge)
- Skif Seamount (Seamount(s))
- Sodwana Bay (Bay)
- Somali Abyssal Plain (Abyssal Plain)
- Somali Basin (Basin)
- Somali part of the Indian Ocean (Marine Region)
- Somerville Bank (Bank)
- Sonja Ridge (Ridge)
- Sonne Ridge (Ridge)
- Soudan Bank (Bank)
- South African Exclusive Economic Zone (Prince Edward Islands) (EEZ)
- South African part of the Indian Ocean (Marine Region)
- South African part of the Indian Ocean (Prince Edward Islands) (Marine Region)
- South Atlantic Central Water (Water mass)
- South Australian Basin (Basin)
- South Eastern Indian Ocean (General Sea Area)
- South Equatorial Countercurrent (Current)
- South Equatorial Current (Current)
- South Equatorial Undercurrent (Current)
- South Indian Central Water (Water mass)
- South Indian Ocean (General Sea Area)
- South Tasman Rise (Rise)
- South West Indian Ocean (General Sea Area)
- Southeast Indian Ridge (Ridge)
- Southwest Indian Ridge (Ridge)
- Speakers Bank (Bank)
- Sri Lankan part of the Indian Ocean (Marine Region)
- St. Géran Ridge (Ridge)
- St. Maur Seamount (Seamount(s))
- St. Pierre Bank (Bank)
- St.Francis bay (Bay)
- Steyns Knoll (Knoll(s))
- Stilbaai (Bay)
- Strait of Hormuz (Strait)
- Suez Canal (Canal)
- Sumatra (Island)
- Sunda Trench (Trench)
- Sunda Trough (Trough)
- Surcouf Seamount (Seamount(s))
- Swan Estuary - Alfred Cove Marine Park (Protected Area)
- Swan Estuary - Milyu Marine Park (Protected Area)
- Swan Estuary - Pelican Point Marine Park (Protected Area)
- Swan Estuary Marine Park (Protected Area)
- Swan Shoal (Shoal)
- SYC-001 (HAB monitoring grid)
- Tanggu Hill (Hill(s))
- Tanzanian Exclusive Economic Zone (EEZ)
- Tanzanian Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Tanzanian part of the Indian Ocean (Marine Region)
- Tasman Escarpment (Escarpment)
- Tasman Fracture Australian Marine Park (Protected Area)
- Tchernia Seamount (Seamount(s))
- Ter Tholen Fracture Zone (Fracture Zone)
- Tha Rua Phuket (Bay)
- Thevenard Island Nature Reserve (Protected Area)
- Tianzuo Seamount (Seamount(s))
- Timor Sea (IHO Sea Area)
- Toogee Ridge (Ridge)
- Topaze Bank (Bank)
- Transkei Basin (Basin)
- Travin Bank (Bank)
- Tropical Indian Ocean (General Sea Area)
- Tropicbird Orchid Hill (Hill(s))
- Tryal Ridge (Ridge)
- Tugela Canyon (Canyon(s))
- Two Rocks Australian Marine Park (Protected Area)
- Unnamed WA51046 5(1)(h) Reserve (Protected Area)
- Vancouver Canyon (Canyon(s))
- Varyag Seamount (Seamount(s))
- Vee Shoal (Shoal)
- Vema Fracture Zone (Fracture Zone)
- Vema Trench (Trench)
- Vening Meinesz Rise (Rise)
- Vening Meinesz Seamounts (Seamount(s))
- Vityaz Fracture Zone (Fracture Zone)
- Vlamingh Fracture Zone (Fracture Zone)
- Von Hochstetter Seamount (Seamount(s))
- Vulcan Shoal (Reef)
- Wallabi Canyon (Canyon(s))
- Wallaby Canyon (Canyon(s))
- Wallaby Saddle (Saddle)
- Wallaby-Cuvier Escarpment (Escarpment)
- Wallace Hill (Hill(s))
- Walpole And Nornalup Inlets Marine Park (Protected Area)
- Walters Shoal (Shoal)
- Wangdayuan Seamount (Seamount(s))
- Warnbro sound (Sound)
- West Indian Ocean (General Sea Area)
- Wharton Basin (Basin)
- Wight Bank (Bank)
- William's Seamount (Seamount(s))
- Wilshaw Ridge (Ridge)
- Wilson Canyon (Canyon(s))
- Wombat Hill (Hill(s))
- Wormley Seamount (Seamount(s))
- Xianhao Ridge (Ridge)
- Yang'e Ridge (Ridge)
- Yaogu Seamount (Seamount(s))
- Yawuru Indigenous Protected Area (Protected Area)
- Yawuru Nagulagun / Roebuck Bay Marine Park (Protected Area)
- Yinsuo Hill (Hill(s))
- Yugu Hill (Hill(s))
- Zanzibar Archipelago (Archipelago)
- Zeewolf Fracture Zone (Fracture Zone)
- Zeewyk Ridge (Ridge)
- Zenith Plateau (Plateau)
- Zhangu Hill (Hill(s))
- Zhuze Seamount (Seamount(s))
- Zoroaster Shoal (Shoal)
- Mediterranean Region (General Sea Area)
- Pacific Ocean (Ocean)
- South China and Eastern Archipelagic Seas (General Sea Area)
- Southern Ocean (IHO Sea Area)