Sondershausen is a town in Thuringia, central Germany, capital of the Kyffhäuserkreis district, situated about 50 km north of Erfurt. On 1 December 2007, the former municipality Schernberg was incorporated by Sondershausen.
Until 1918 it was part of the principality of Schwarzburg-Sondershausen.
Wikipedia https://en.wikipedia.org/wiki/Sondershausen
Coordinates 51°21'59.774" N 10°52'0.631" E