Herräng (Swedish pronunciation: [ˈhæ̂rːɛŋ]) is the northernmost locality in Norrtälje Municipality, Stockholm County, Sweden, with 422 inhabitants in 2010. It is located 40 kilometres north of the municipal seat Norrtälje along the coast of Singöfjärden, a bay on Roslagen. The town has a history of industry and mining. Today it is known mainly for being the site of one of the largest lindy hop dance camps in the world, the Herräng Dance Camp. Industrial history.
https://en.wikipedia.org/wiki/Herr%C3%A4ng