Ancient times:
After the eruption of the volcano, people returned to their normal activities. We know very little about the first inhabitants of the island. All we know is that they were Phoenicians who, around 1300 BC, were attracted by the beauty of the island. Then the Doric tribes arrived with King Thyra and they named the island Thyra.
Byzantine period: Santorini became the seat of episcopacy with Dioscouros as the bishop around 3rd century. Since the time of Justinian Santorini was in the metropolis of Rhodes. The Byzantine monument of Santorini is the chapel of Panagia of Episcopi, built by the emperor Alexios I Komninos.