Idre is a locality and winter resort situated in Älvdalen Municipality

Älvdalen Municipality

Älvdalen Municipality is a municipality in Dalarna County in central Sweden. Its seat is located in the town of Älvdalen....

, Dalarna County

Dalarna County

Dalarna County is a county or län in middle Sweden. It borders the counties of Jämtland, Gävleborg, Västmanland, Örebro and Värmland. It is also bordered by the Norwegian counties of Hedmark and Sør-Trøndelag in the west...

, Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 with 769 inhabitants in 2005. It was also a historical parish and former municipality.

The two parishes Särna and Idre were originally part of Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 but were occupied by Swedish farmers in 1644. The 1645 Treaty of Brömsebro

Treaty of Brömsebro

The Second Treaty of Brömsebro was signed on 13 August 1645, and ended the Torstenson War, a local conflict that began in 1643 and was part of the larger Thirty Years' War) between Sweden and Denmark-Norway...

was ambiguous regarding the status of the parishes, but when the exact path of the border was to be decided in 1751 Norway accepted a border west of Idre and Särna.

In 1971 the three municipalities Särna, Idre (which itself had been split off from Särna in 1916) and Älvdalen were amalgamated to form the present municipality.