Medical and health organizations based in Greece

Spinalonga () is an island in the Gulf of Elounda, north-eastern Crete, in the municipality of Agios Nikolaos, Lasithi, next to the town of Plaka in the area of Kalydon. It is near the Spinalonga peninsula ("large Spinalonga") – which often causes confusion as the same name is used for both.

National Red Cross Society in Greece

non-governmental organization of Search and Rescue