Jämtland County is a county or län in Sweden. It consists of the provinces of Jämtland and Härjedalen, along with minor parts of Hälsingland and Ångermanland, plus two small strips of Lapland and Dalarna. It borders the counties of Dalarna, Gävleborg, Västernorrland, and Västerbotten, as well as the Norwegian county of Trøndelag. It measures 49,443 km² and …Jämtland County is a county or län in Sweden. It consists of the provinces of Jämtland and Härjedalen, along with minor parts of Hälsingland and Ångermanland, plus two small strips of Lapland and Dalarna. It borders the counties of Dalarna, Gävleborg, Västernorrland, and Västerbotten, as well as the Norwegian county of Trøndelag. It measures 49,443 km² and constitutes 12% of Sweden's total area, making it the country's third largest county. The capital is Östersund. The county governor and leader of the administrative board, as appointed by the Swedish government, has been Marita Ljung since 2021.