Subregions- Adriatic Sea
 - Albania
- Balearic Islands, Spain
- Bosnia and Herzegovina
- Canary Islands, Spain region
- central Italy
- central Mediterranean Sea
- Corsica, France
- Croatia
- Dugi Otok, Croatia
- Ionian Sea
- Kerkira region, Greece
- Ligurian Sea
- Macedonia
- Madeira Islands, Portugal region
- Malta region
- Montenegro
- Morocco
- near the coast of Libya
- near the south coast of France
- northern Algeria
- northwestern Balkan region
- Otok Brac, Croatia
- Otok Cres, Croatia
- Otok Hvar, Croatia
- Otok Korcula, Croatia
- Otok Kornat, Croatia
- Otok Krk, Croatia
- Otok Lastovo, Croatia
- Otok Losinj, Croatia
- Otok Mljet, Croatia
- Otok Molat, Croatia
- Otok Pag, Croatia
- Otok Pasman, Croacia
- Otok Rab, Croatia
- Otok Solta, Croatia
- Otok Ugljan, Croatia
- Otok Vis, Croatia
- Portugal
- Pyrenees
- San Marino
- Sardinia, Italy
- Serbia
- Sicily, Italy
- Slovenia
- southern Italy
- Spain
- Strait of Gibraltar
- Tunisia
- Tyrrhenian Sea
- western Mediterranean Sea
- west of Gibraltar
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