66 wall dive sites in Greece.
Biggest areas: Ionian Islands (12), Attica Region (6), Crete (6), North Aegean (4) and Kriti (3).
Recorded maximum depths range from 5 m to 50 m (40 of 66 sites have a depth).
By level: 21 beginner, 7 intermediate, 13 advanced and 4 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.