About this sound Sortland is a town and municipality in Nordland county, Norway. It is part of the traditional region of Vesterålen. The administrative centre of the municipality is the town of Sortland. Other population centres in Sortland include Bø, Holand, Holmstad, Liland, Sigerfjord, and Strand. The Norwegian Coast Guard has its northern base in Sortland, called Kystvaktskvadron Nord.In 1997, the municipality decided to declare "township" for Sortland.