147 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 (66 of 147 sites have a depth).
By level: 62 beginner, 9 intermediate, 8 advanced and 2 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.