Santorini is located southeast of mainland Greece.
In decree 573 issued by the National Assembly 17 May 1823 Santorini was recognized as one of 15 provinces in the Greek controlled Aegean (nine in the Cyclades and six in the Sporades)
 It forms the southernmost member of the Cyclades group of islands, with an area of approximately 73 km2 (28 sq mi) and a 2011 census population of 15,550

