Satellite map of Hydra (island)
Hydra (Greek: Ύδρα, pronounced [ˈiðra] in modern Greek) is one of the Saronic Islands of Greece, located in the Aegean Sea between the Saronic Gulf and the Argolic Gulf. It is separated from the Peloponnese by narrow strip of water.
Latitude: 37° 20' 59.99" N
Longitude: 23° 27' 59.99" E