Selaön
Överselö Church on Selaön in 2011 | |
| Geography | |
|---|---|
| Location | Mälaren |
| Coordinates | 59°24′N 17°12′E / 59.400°N 17.200°E |
| Area | 94.72 km2 (36.57 sq mi) |
| Administration | |
| County | Södermanland |
| Municipality | Strängnäs |
Selaön is the largest island in Mälaren, Sweden, and covers 94.72 km². It is located at Stallarholmen, east of Strängnäs, and it has about 1,800 permanent residents. It is connected by a bridge to the mainland. It is the largest island in any lake in Sweden.
In the Heimskringla, Granmar, the king of Södermanland, was murdered on this island by Ingjald Illruler.