Hinnøya (Norwegian) or Iinnasuolu (Northern Sami) is the fourth-largest island in Norway, and the largest outside the Svalbard archipelago. The 2,204.7-square-kilometre (851.2 sq mi) lies just off the western coast of Northern Norway. The island sits on the border of Nordland and Troms counties. The western part of the island is in the district of Vesterålen, the southwestern part is in the Lofoten district, the southeastern part is in the Ofoten district, and the northeastern part is in Troms. As of 2017, Hinnøya had a population of 32,688. The only town on the island is the town of Harstad. Some of the larger villages include Borkenes, Lødingen, Sigerfjord, and Sørvik. The island is split between several municipalities: Harstad, Tjeldsund and Kvæfjord in Troms county, as well as Andøy, Hadsel, Lødingen, Sortland, and Vågan in Nordland county.