| 01 | Africa - Inland waters | Africa - Inland waters | |
| 02 | America, North - Inland waters | America, North - Inland waters | |
| 03 | America, South - Inland waters | America, South - Inland waters | |
| 04 | Asia - Inland waters | Asia - Inland waters | |
| 05 | Europe - Inland waters | Europe - Inland waters | |
| 06 | Oceania - Inland waters | Oceania - Inland waters | |
| 07 | Former USSR area - Inland waters | (Former USSR area - Inland waters) | |
| 08 | Antarctica - Inland waters | Antarctica - Inland waters | |
| 18 | Arctic Sea | Arctic Sea | X |
| 21 | Atlantic, Northwest | Atlantic, Northwest | X |
| 27 | Atlantic, Northeast | Atlantic, Northeast | X |
| 27.1 | Barents Sea (Subarea 27.1) | Barents Sea (Subarea 27.1) | X |
| 27.10 | Azores Grounds and Northeast Atlantic South (Subarea 27.10) | Azores Grounds and Northeast Atlantic South (Subarea 27.10) | X |
| 27.12 | North of Azores (Subarea 27.12) | North of Azores (Subarea 27.12) | X |
| 27.14 | East Greenland (Subarea 27.14) | East Greenland (Subarea 27.14) | X |
| 27.14.a | Northeast Greenland (Division 27.14.a) | Northeast Greenland (Division 27.14.a) | X |
| 27.14.b | Southeast Greenland (Division 27.14.b) | Southeast Greenland (Division 27.14.b) | X |
| 27.2 | Norwegian Sea, Spitzbergen, and Bear Island (Subarea 27.2) | Norwegian Sea, Spitzbergen, and Bear Island (Subarea 27.2) | X |
| 27.2.a | Norwegian Sea (Division 27.2.a) | Norwegian Sea (Division 27.2.a) | X |
| 27.2.b | Spitzbergen and Bear Island (Division 27.2.b) | Spitzbergen and Bear Island (Division 27.2.b) | X |
| 27.3 | Skagerrak, Kattegat, Sound, Belt Sea, and Baltic Sea (Subarea 27.3) | Skagerrak, Kattegat, Sound, Belt Sea, and Baltic Sea (Subarea 27.3) | X |
| 27.3.a | Skagerrak and Kattegat (Division 27.3.a) | Skagerrak and Kattegat (Division 27.3.a) | X |
| 27.3.b | Sound (Division 27.3.b) | Sound (Division 27.3.b) | X |
| 27.3.b,c | Sound and Belt Sea or the Transition Area (Divisions 27.3.b,c) | Sound and Belt Sea or the Transition Area (Divisions 27.3.b,c) | X |
| 27.3.c | Belt Sea (Division 27.3.c) | Belt Sea (Division 27.3.c) | X |
| 27.3.d | Baltic Sea (Division 27.3.d) | Baltic Sea (Division 27.3.d) | X |
| 27.4 | North Sea (Subarea 27.4) | North Sea (Subarea 27.4) | X |
| 27.4.a | Northern North Sea (Division 27.4.a) | Northern North Sea (Division 27.4.a) | X |
| 27.4.b | Central North Sea (Division 27.4.b) | Central North Sea (Division 27.4.b) | X |
| 27.4.c | Southern North Sea (Division 27.4.c) | Southern North Sea (Division 27.4.c) | X |
| 27.5 | Iceland and Faroes Grounds (Subarea 27.5) | Iceland and Faroes Grounds (Subarea 27.5) | X |
| 27.5.a | Iceland Grounds (Division 27.5.a) | Iceland Grounds (Division 27.5.a) | X |
| 27.5.b | Faroes Grounds (Division 27.5.b) | Faroes Grounds (Division 27.5.b) | X |
| 27.6 | Rockall, Northwest Coast of Scotland and North Ireland (Subarea 27.6) | Rockall, Northwest Coast of Scotland and North Ireland (Subarea 27.6) | X |
| 27.6.a | Northwest Coast of Scotland and North Ireland or as the West of Scotland (Division 27.6.a) | Northwest Coast of Scotland and North Ireland or as the West of Scotland (Division 27.6.a) | X |
| 27.6.b | Rockall (Division 27.6.b) | Rockall (Division 27.6.b) | X |
| 27.7 | Irish Sea, West of Ireland, Porcupine Bank, Eastern and Western English Channel, etc (Subarea 27.7) | Irish Sea, West of Ireland, Porcupine Bank, Eastern and Western English Channel, etc (Subarea 27.7) | X |
| 27.7.a | Irish Sea (Division 27.7.a) | Irish Sea (Division 27.7.a) | X |
| 27.7.b | West of Ireland (Division 27.7.b) | West of Ireland (Division 27.7.b) | X |
| 27.7.c | Porcupine Bank (Division 27.7.c) | Porcupine Bank (Division 27.7.c) | X |
| 27.7.d | Eastern English Channel (Division 27.7.d) | Eastern English Channel (Division 27.7.d) | X |
| 27.7.e | Western English Channel (Division 27.7.e) | Western English Channel (Division 27.7.e) | X |
| 27.7.f | Bristol Channel (Division 27.7.f) | Bristol Channel (Division 27.7.f) | X |
| 27.7.g | Celtic Sea North (Division 27.7.g) | Celtic Sea North (Division 27.7.g) | X |
| 27.7.h | Celtic Sea South (Division 27.7.h) | Celtic Sea South (Division 27.7.h) | X |
| 27.7.j | Southwest of Ireland - East (Division 27.7.j) | Southwest of Ireland - East (Division 27.7.j) | X |
| 27.7.k | Southwest of Ireland - West (Division 27.7.k) | Southwest of Ireland - West (Division 27.7.k) | X |
| 27.8 | Bay of Biscay (Subarea 27.8) | Bay of Biscay (Subarea 27.8) | X |
| 27.8.a | Bay of Biscay - North (Division 27.8.a) | Bay of Biscay - North (Division 27.8.a) | X |
| 27.8.b | Bay of Biscay - Central (Division 27.8.b) | Bay of Biscay - Central (Division 27.8.b) | X |
| 27.8.c | Bay of Biscay - South (Division 27.8.c) | Bay of Biscay - South (Division 27.8.c) | X |
| 27.8.d | Bay of Biscay - Offshore (Division 27.8.d) | Bay of Biscay - Offshore (Division 27.8.d) | X |
| 27.8.e | West of Bay of Biscay (Division 27.8.e) | West of Bay of Biscay (Division 27.8.e) | X |
| 27.9 | Portuguese Waters (Subarea 27.9) | Portuguese Waters (Subarea 27.9) | X |
| 27.9.a | Portuguese Waters - East (Division 27.9.a) | Portuguese Waters - East (Division 27.9.a) | X |
| 27.9.b | Portuguese Waters - West (Division 27.9.b) | Portuguese Waters - West (Division 27.9.b) | X |
| 31 | Atlantic, Western Central | Atlantic, Western Central | X |
| 34 | Atlantic, Eastern Central | Atlantic, Eastern Central | X |
| 37 | Mediterranean and Black Sea | Mediterranean and Black Sea | X |
| 37.1 | Western Mediterranean (Subarea 37.1) | Western Mediterranean (Subarea 37.1) | |
| 37.1.1 | Balearic (Division 37.1.1) | Balearic (Division 37.1.1) | |
| 37.1.2 | Gulf of Lions (Division 37.1.2) | Gulf of Lions (Division 37.1.2) | |
| 37.1.3 | Sardinia (Division 37.1.3) | Sardinia (Division 37.1.3) | |
| 37.2 | Central Mediterranean (Subarea 37.2) | Central Mediterranean (Subarea 37.2) | |
| 37.2.1 | Adriatic (Division 37.2.1) | Adriatic (Division 37.2.1) | |
| 37.2.2 | Ionian (Division 37.2.2) | Ionian (Division 37.2.2) | |
| 37.3 | Eastern Mediterranean (Subarea 37.3) | Eastern Mediterranean (Subarea 37.3) | |
| 37.3.1 | Aegean (Division 37.3.1) | Aegean (Division 37.3.1) | |
| 37.3.2 | Levant (Division 37.3.2) | Levant (Division 37.3.2) | |
| 37.4 | Black Sea (Subarea 37.4) | Black Sea (Subarea 37.4) | |
| 37.4.1 | Marmara Sea (Division 37.4.1) | Marmara Sea (Division 37.4.1) | |
| 37.4.2 | Black Sea (Division 37.4.2) | Black Sea (Division 37.4.2) | |
| 37.4.3 | Azov Sea (Division 37.4.3) | Azov Sea (Division 37.4.3) | |
| 41 | Atlantic, Southwest | Atlantic, Southwest | X |
| 47 | Atlantic, Southeast | Atlantic, Southeast | X |
| 48 | Atlantic, Antartic | Atlantic, Antartic | X |
| 51 | Indian Ocean, Western | Indian Ocean, Western | X |
| 57 | Indian Ocean, Eastern | Indian Ocean, Eastern | X |
| 58 | Southern Indian Ocean, Antarctic | Southern Indian Ocean, Antarctic | X |
| 61 | Pacific, Northwest | Pacific, Northwest | X |
| 67 | Pacific, Northeast | Pacific, Northeast | X |
| 71 | Pacific, Western Central | Pacific, Western Central | X |
| 77 | Pacific, Eastern Central | Pacific, Eastern Central | X |
| 81 | Pacific, Southwest | Pacific, Southwest | X |
| 87 | Pacific, Southeast | Pacific, Southeast | X |
| 88 | Pacific, Antarctic | Pacific, Antarctic | X |