Phocis was an ancient region in the central part of Ancient Greece, which included Delphi. A modern administrative unit, also called Phocis, is named after the ancient region, although the modern region is substantially larger than the ancient one.

Delphi, in legend previously called Pytho (Πυθώ), was an ancient sacred precinct and the seat of Pythia, the major oracle who was consulted about important decisions throughout the ancient classical world. The ancient Greeks considered the centre of the world to be in Delphi, marked by the stone monument known as the Omphalos of Delphi (navel).