Naples is the regional capital of Campania and the third-largest city of Italy after Rome and Milan. In 2017, around 967,069 people lived within the city's administrative limits; its province-level municipality has a population of 3,115,320 residents. Its continuously built-up metropolitan area (that stretches beyond the boundaries of the Metropolitan City of Naples) is the third largest metropolitan area in Italy and one of the most densely populated cities in Europe.