| 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 |
| Atlantic Ocean beyond subregions |