The Metropolitan City of 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.
The Metropolitan City of Catania was first created by the reform of local authorities (Law 142/1990) and then established by the regional law 15 August 2015.
The metropolitan city borders with the Metropolitan City of Messina (the former province of Messina), the province of Enna, the province of Syracuse, the province of Ragusa and the province of Caltanissetta. Part of its territory includes the Metropolitan area of Catania.
The metropolitan city faces the Ionian Sea to the east, the Metropolitan City of Messina to the north, the province of Enna and the province of Caltanissetta to the west, and the province of Siracusa and the province of Ragusa to the south. Mount Etna, Europe's largest active volcano, is located in the province.