hydra

Hydra, or Ydra or Idra, and in antiquity Hydrea, is one of the Saronic Islands of Greece, located in the Aegean Sea between the Myrtoan Sea and the Argolic Gulf. It is separated from the Peloponnese by a narrow strip of water. In ancient times, the island was known as Hydrea, a reference to the natural springs on the island.
  • Country: Greece
  • Administrative region: Attica
  • Regional unit: Islands
  • Area code(s): 22980
  • Time zone: UTC+2 (EET)
  • Postal code: 180 40
  • Vehicle registration: Z
Data from: en.wikipedia.org