Frösön (Frey's island; Swedish pronunciation: [fɾøːsøːn]; "fɾøːsœʏːa" in the local dialect, Jamtlandic) is the largest island in the lake of Storsjön. It is located west of the town of Östersund in Sweden, Sweden. On the island is the "Frösö Runestone". That Runestone is dated from 1030-1050 AD.
Media related to Frösön at Wikimedia Commons