Vesterålen is a district and archipelago in Nordland county, Norway. It is located just north of Lofoten and west of Harstad. It is the northernmost part of Nordland county. Sortland is the largest town, situated near the center of the archipelago. Vesterålen includes the municipalities of Andøy, Bø, Hadsel, Sortland, and Øksnes. Name The Old Norse forms of the name were and (plural). The first element is which means "west" and the last element is which means "(deep and narrow) sound" or "strait". The name describes the seaway west of the island of Hinnøya. The old name of the seaway east of Hinnøya (now called Tjeldsundet) might have been (meaning "the eastern sound/strait"). Geography Vesterålen consists of the municipalities of Andøy, Bø, Hadsel, Sortland, and Øksnes. According to some definitions, Lødingen is also included. Vesterålen is made up of several islands: Langøya, Andøya, Hadseløya, the western part of Hinnøya, the northern part of Austvågøya and several smaller islands. The landscape is mountainous, but the mountains have a more rounded shape compared to the mountains in Lofoten. The towns and villages are situated on the coastal brim (Strandflaten) between the mountains and the fjords. There are also several lakes, such as Alsvågvatnet. Møysalen National Park is partly located in Vesterålen (website). The climate in Vesterålen is maritime, with mild winters considering this archipelago is well north of the Arctic Circle. Bø is the northernmost location in Norway with daily mean above in all winter months. Transportation Vesterålen is connected to the mainland and Evenes airport by bridges. It is connected to Lofoten by ferry, although since the opening of the Lofast road in December 2007, Lofoten can also be reached by road. The coastal steamer Hurtigruten calls at the ports of Stokmarknes, Sortland, and Risøyhamn in Vesterålen. There are two regional airports: Stokmarknes Airport, Skagen for small aircraft, and Andenes Airport on Andøya. Economy The population in Vesterålen as of 1 January 2004 was 30,648 according to Statistisk Sentralbyrå) The largest town is Sortland, but the regional hospital is in nearby Stokmarknes in Hadsel municipality. The Royal Norwegian Air Force has based all its P-3 Orion maritime patrol aircraft at Andøya Air Station, and Andøya Rocket Range is also located at Andøya. The Norwegian Coast Guard has its northern base at Sortland (Kystvaktskvadron Nord). Fishing, in particular cod fisheries, has always been important in Vesterålen. There is also fish farming, and