Introduction to Santorini: The ancient name of Santorini was Thera. It was later changed to Santorini in 1207 to commemorate Saint Irene. 110 nautical miles from Athens, it is the southernmost island in the Cyclades. It has the most beautiful sunsets and the most magnificent sea views in the world. It is the land of freedom in Plato's works, and it is also the brightest pearl among the many islands in the Aegean Sea. .