The Museum of Prehistoric Thera (Greek: Μουσείο Προϊστορικής Θήρας) is located in Fira, on the island of Santorini in Greece. It was built on the site of the old Ypapanti Church which was destroyed in the 1956 Amorgos earthquake. The Museum houses a very large number of ancient artifacts from various excavations on Santorini, such as at Akrotiri (southwest part of the island, located on a peninsula), and at the nearby Potamos site. The earliest excavations on Santorini were conducted by French g