Hydra Island in Greece Hydra 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 a narrow strip of water.
Δελφοί – Delphi The Oracle at Delphi was the most important oracle in the classical Greek world, and a major site for the worship of the god Apollo. This building is NOT, however, the 'oracle'. I believe this is the Temple of Diana