Sömmerda is a town near Erfurt in Thuringia, Germany, on the Unstrut river. It is the capital of the district of Sömmerda.

Erfurt (German pronunciation: [ˈɛʁfʊʁt] ) is the capital and largest city of the Central German state of Thuringia. It lies in the wide valley of the River Gera, in the southern part of the Thuringian Basin, north of the Thuringian Forest, and in the middle of a line of the six largest Thuringian cities, stretching from Eisenach in the west, via Gotha, Erfurt, Weimar and Jena, to Gera in the east, close to the geographic centre of Germany. Erfurt is 100 km (62 mi) south-west of Leipzig, 250 km (155 mi) north-east of Frankfurt, 300 km (186 mi) south-west of Berlin and 400 km (249 mi) north of Munich.