Naples is the capital of Campania and the third-largest municipality in Italy, after Rome and Milan. As of 2012, around 960,000 people live within the city's administrative limits. The Naples urban area, covering 1,023 km2 (395 sq mi), has a population of between 3 million and 3.7 million, and is the 8th-most populous urban area in the European Union. Between 4.1 and 4.9 million people live in the Naples metropolitan area, one of the largest metropolises on the Mediterranean Sea. Naples is one of the oldest continuously-inhabited cities in the world.