Bergen (), historically Bjørgvin, is a city and municipality in Vestland county on the west coast of Norway. As of 2022, its population was roughly 289,330. Bergen is the second-largest city in Norway after the national capital Oslo. The municipality covers 465 square kilometres (180 sq mi) and is located on the peninsula of Bergenshalvøyen. The city centre and northern neighbourhoods are on Byfjorden, 'the city fjord'. The city is surrounded by mountains, causing Bergen to be called the "city of seven mountains". Many of the extra-municipal suburbs are on islands. Bergen is the administrative centre of Vestland county. The city consists of eight boroughs: Arna, Bergenhus, Fana, Fyllingsdalen, Laksevåg, Ytrebygda, Årstad, and Åsane.