MSFD Mediterranean subregions (0)
| Adriatic Sea |
| Aegean-Levantine Sea |
| Ionian Sea and the Central Mediterranean Sea |
| Western Mediterranean Sea |
MSFD Atlantic subregions (1)
| Bay of Biscay and the Iberian Coast |
| Celtic Seas |
| Celtic Seas - overlapping submissions to UNCLOS from UK and Kingdom of Denmark |
| Greater North Sea, incl. the Kattegat and the English Channel |
| Macaronesia |
| No marine subregion assigned - outer limits of the continental shelf beyond 200 nm provided to UNCLOS by ES, FR, IE and UK |
Other surrounding seas of Europe (2)
| Barents Sea |
| Iceland Sea |
| Norwegian Sea |
| White Sea |
MSFD Marine regions (3)
| Baltic Sea |
| Black Sea - Sea of Marmara |
| Black Sea - Sea of Azov |
| Black Sea |
| Mediterranean Sea |
| North East Atlantic Ocean |
|