Orsa, Sweden thousands of visitors and the inhabitants of Orsa. The big forests start just north of the town of Orsa, with the sparsely populated Orsa finnmark, to which many Finns emigrated during the 17th century. About 500 people speak the Orsamål dialect, an Old Scandinavian language, which is a variant of Dalecarlian, also called Old Swedish in Minnesota, USA. Orsa is twinned with: Orsa, Sweden Orsa is a locality and the seat of Orsa Municipality, Dalarna County, Sweden, with 5,308 inhabitants (2010). It is located in the northern part of lake Siljan, about north of the town Mora. Inlandsbanan and European
Siljan Ring Ordovician and Silurian sedimentary rocks deformed by the impact are rich in fossils. The area around the Siljan Ring has been the site of recent prospecting for oil and natural gas, though none of the projects has so far been commercially viable. There are large deposits of lead and zinc near Boda at the eastern edge of the Ring. There are several lakes in the vicinity, the largest of which is Siljan on the south-southwestern edge of the crater, with the smaller Lake Orsa to the west and Skattungen and Ore on the northeastern margin. The Siljan Ring consists of