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
Delphi, Greece is both a modern town and an archaeological site in Greece on the south-western spur of Mount Parnassus in the valley of Phocis. It was the site of the Delphic oracle, the most important oracle in the classical Greek world.