Nakholmen (also spelled Nakkholmen) is an uninhabited island in the inner part of Oslofjord, in the municipitality of Oslo. It is located west of Lindøya and southeast of Bygdøy. The island has many weekend cottages. ... Found on http://en.wikipedia.org/wiki/Nakholmen
1) Island of Oslo 
Nakholmen (also spelled Nakkholmen) is an uninhabited island in the inner part of Oslofjord, in the municipitality of Oslo. It is located west of Lindøya and southeast of Bygdøy. The island has many weekend cottages. ...