Hinnøya is the
fourth-largest island in
Norway – and the largest off the mainland – covering an area of . It is located on the west coast of the country, in
Northern Norway. The western part of the island is in the district of
Vesterålen, the southwestern part is in
Lofoten, the southeastern part is in
Ofoten and the northeastern part is in
Southern Troms. In 2001, Hinnøya was Norway's most populated island.