Oldest temples in Greece

All six Greek temples on this list were begun within about a hundred years, so small differences in date matter less than what survives. The Temple of Apollo at Corinth, about 540 BC, is the oldest, with seven monolithic Doric columns still standing. The Olympieion in Athens was begun about 520 BC but finished only under Hadrian, some six centuries later. The Temple of Hephaestus, built from 449 BC, is the best preserved, and the Parthenon and Sounion follow within a few years.