Andøya is the northernmost island in the archipelago of Vesterålen. Andøya is located in the Andøy municipality in Nordland county, Norway. The island has an area of 489 km², making it the tenth largest island in Norway. The island is connected to the neighboring island of Hinnøya using the Andøy Bridge.
Bog areas are used for extensive production of peat growth. Andøya is also well known for its cloudberries. Besides the flat and largely continuous bog areas, Andøya also consists steep mountain ranges reaching up to 700 meters high. Kvasstinden, the highest points on the island, are sharp peaks at 705 meters. The Andøya Rocket Range which was founded in 1962 is located on the island.