Reggio di Calabria, officially referred to as Reggio Calabria, and often known as Reggio, is the largest city in Calabria as well as the seat of the Metropolitan City of Reggio Calabria. As of 2025, it has 168,572 inhabitants and is the twenty-first most populous city in Italy, after Modena. Reggio Calabria is located near the center of the Mediterranean and is known for its climate, and ethnic and cultural diversity. It is the third economic centre of mainland Southern Italy. About 511,935 people live in its metropolitan city.