Falun is a city and the seat of Falun Municipality in Dalarna County, Sweden, with 37,291 inhabitants in 2010. It is also the capital of Dalarna County. Falun forms, together with Borlänge, a metropolitan area with just over 100,000 inhabitants.

Falun Municipality is a municipality in Dalarna County in central Sweden. Its seat is located in the city of Falun. Falun is the second biggest city and provincial capital of Dalarna County. Falun was originally famous for its copper mine.