Province of Caltanissetta
The province of Catania was one of nine provinces in the island of Sicily which is the largest island in the Mediterranean Sea. It met the Ionian Sea at the north-east. The Province of Caltanissetta and the Province of Enna lay to the west, the Province of Ragusa and the Province of Siracusa lay to the south, and the Province of Messina lay to the north. It also had the largest active volcano of Europe, Mount Etna. The provincial capital and largest commune was the city of Catania.