Santorini also called Thira is an island found along the coastline of the Aegean Sea. It was named by Latin inhabitants who called named it after Saint Irene, one of the martyr virgin sisters of Christendom. It also has a group of Islands called Santorini. This island has a caldera and it is one of the Cyclades islands of the Mediterranean region. These are some fascinating facts about Santorini; Santorini is popularly referred to as the postcard of Greece because it is one of the most beautiful islands in Greece. It is called Kalliste which means ‘the Beautiful one’. It is also called Thira. Click the next ARROW to see the next photo!