Trattoria Giglio Rosso The Metropolitan City of Catania (Italian: città metropolitana di Catania) is a metropolitan city in Sicily, Italy. Its capital is the city of Catania. It replaced the province of Catania and comprises the city of Catania and 57 other communes. It has 1,068,563 inhabitants as of 2025, making it the 7th most populated metropolitan city in the country.