SANTORINI FROM THE LEFT SIDE, GREECE

Santorini (Greek: Σαντορίνη, pronounced [sadoˈrini]), classically Thera ( /ˈθɪrə/), and officially Thira (Greek: Θήρα [ˈθira]), is an island in the southern Aegean Sea, about 200 km (120 mi) southeast from Greece's mainland. It is the largest island of a small, circular archipelago which bears the same name and is the remnant of a volcanic caldera. It forms the southernmost member of the Cyclades group of islands, with an area of approximately 73 km2 (28 sq mi) and a 2001 census population of 13,670. 

Source: Wikipedia

Image source: Link