146 reef dive sites in Greece.
Biggest areas: Ionian Islands (27), South Aegean (17), Notio Aigaio (14), Attica Region (12) and Crete (9).
Recorded maximum depths range from 2 m to 186 m (70 of 146 sites have a depth).
By level: 67 beginner, 7 intermediate, 7 advanced and 3 technical.
Species confirmed at these sites by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.