Italy’s capital city is Rome. In addition, it serves as the center of the Metropolitan City of Rome Capital, the capital of the Lazio region, and the unique comune (municipality) known as Comune di Roma Capitale. Rome is the most populous comune in the nation and the third most populous city in the European Union by population inside city limits, with 2,860,009 people living in 1,285 km2 (496.1 sq mi). The most populated metropolitan area is the Metropolitan City of Rome, home to 4,355,725 people