Swedish Dancesport Federation (DSF) administers all dancesport in Sweden. The association was formed on February 25, 1968, and is one of 68 different sports federations in Sweden. DSF became a member of the Swedish Sports Confederation (RF) in 1977, which administers all sports in Sweden. Apart from this membership Swedish Dancesport Federation also is a member of the International Dancesport Federation (IDSF) from June 19, 2011, known as the World DanceSport Federation (WDSF) and the World Rock'n'Roll Confederation (WRRC). The office lies in Farsta, Stockholm. Overview.
https://en.wikipedia.org/wiki/Swedish_Dancesport_Federation