Kyyjärvi is a municipality of Finland. It is located in the Central Finland region, about 120 kilometres (75 mi) northwest of Jyväskylä. The municipality has a population of 1,174 and covers an area of 469.61 square kilometres (181.32 sq mi) of which 21.39 km2 (8.26 sq mi) is water. The population density is 2.62 inhabitants per square kilometre (6.8/sq mi). The municipality is unilingually Finnish.

Sorsele is a locality and the seat of Sorsele Municipality in Västerbotten County, province of Lapland, Sweden with 1,277 inhabitants in 2010. Sorsele is also the nearest town to the ski resort Nalovardo. It is known for containing a portion of the Vindelfjällen Nature Reserve, one of the largest nature reserves in Sweden.