Campania is a region in Southern Italy. Its total area of 13,590 km2 (5,247 sq mi) makes it the most densely populated region in the country. Located on the Italian Peninsula, with the Mediterranean Sea to the west, it includes the small Phlegraean Islands and Capri for administration as part of the region. Campania was colonised by Ancient Greeks and was part of Magna Græcia. During the Roman era, the area maintained a Greco-Roman culture. The capital city of Campania is Naples. Campania is rich in culture, especially in regard to gastronomy, music, architecture, archeological and ancient sites such as Pompeii, Herculaneum, Paestum and Velia.