Bad Langensalza (until 1956: Langensalza) is a city in the County of Unstrut-Hainich, Thuringia, Germany, with a population of c. 18,500 (2006).It was first mentioned in historical records ca. 932, as a village named "Salzaha". The city name was changed to Langensalza ca. 1578, and "Bad" or "Bath" w...