Bergen, formerly known as Bjørgvin, is a city and municipality in Hordaland on the west coast of Norway. At the end of the first quarter of 2016, the municipality’s population was nearly 280,000 making Bergen the second-largest city in Norway. The municipality covers an area of 465 square kilometres (180 sq mi) and is located on the peninsula of Bergenshalvøyen. The city centre and northern neighbourhoods are located on Byfjorden, “the city fjord”, and the city is surrounded by mountains; Bergen is known as the city of seven mountains. Many of the extra-municipal suburbs are located on islands. Bergen is the administrative centre of Hordaland and consists of eight boroughs—Arna, Bergenhus, Fana, Fyllingsdalen, Laksevåg, Ytrebygda, Årstad and Åsane.