Sollerön (Swedish pronunciation: [ˈsɔ̂lːɛrˌøːn]) is the largest island in Lake Siljan and a locality situated in Mora Municipality, Dalarna County, Sweden. It had 901 inhabitants in 2010. History. Sites. The island is home to several notable archaeological and historical sites, including Dalarna's largest Viking-era grave fields, a historic church, restored 18th-19th century farmhouses, the Viking museum has now closed. Viking Graves.
https://en.wikipedia.org/wiki/Soller%C3%B6n