Osterøy is an island situated northeast of the city of Bergen in Hordaland county, Norway. With a total area of 328 square kilometres (127 sq mi), it is the largest Norwegian island not located directly adjacent to the ocean, and the second largest such island in Northern Europe. Osterøy is covered by two municipalities: the majority (275 square kilometres (106 sq mi)) by Osterøy municipality, and the rest (53 square kilometres (20 sq mi)) by Vaksdal municipality.