Rome is located in the central-western portion of the Italian Peninsula, within Lazio ( Latium), along the shores of the Tiber.
Its metropolitan area is the third-most populous within Italy. The Metropolitan City of Rome, with a population of 4,355,725 residents, is the most populous metropolitan city in Italy. With 2,860,009 residents in 1,285 km 2 (496.1 sq mi), Rome is the country's most populated comune and the third most populous city in the European Union by population within city limits.
It is also the capital of the Lazio region, the centre of the Metropolitan City of Rome, and a special comune named Comune di Roma Capitale. Rome ( Italian and Latin: Roma ( listen)) is the capital city of Italy.