The ancient site in Greece that was the center of the Delphic Oracle is Delphi. This location was sacred to the god Apollo and was believed to be the site where the Pythia, the oracle, would deliver prophetic messages. Delphi became a significant religious and cultural center in ancient Greece, attracting individuals seeking guidance and advice on various matters, from warfare to personal dilemmas. The prestigious Pythian Games, held every four years, also took place here, further enhancing Delphi's importance in ancient Greek society.