Dziemiany pronounced [ d͡ʑɛˈmʲanɨ ] (Kashubian: Dzemiónë; formerly German: Dzimianen, (1942-5): Sophienwalde) is a village in Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It is the seat of the gmina (administrative district) called Gmina Dziemiany. It lies approximately 19 kilometres (12 mi) south-west of Kościerzyna and 70 km (43 mi) south-west of the regional capital Gdańsk. It was the location of the Nazi concentration camp Dzimianen - Sophienwalde, a subcamp of the concentration camp Stutthof. Here the SS-Truppenübungsplatz Westpreußen was located during the occupation of Poland in World War II.