The Province of Catania (Italian: Provincia di Catania; Sicilian: Pruvincia di Catania) was a province in the autonomous island region of Sicily in southern Italy. Its capital was the city of Catania. It had an area of 3,552 square kilometres (1,371 sq mi) and a total population of about 1,116,917 as of 31 December 2014. Historically known also as Val di Catania, it included until 1927 a large part of the Province of Enna. It was replaced by the Metropolitan City of Catania starting from 4 August 2015.