Somsdorf is a municipal subdivision of Freital in Sächsische Schweiz-Osterzgebirge district. It lies in the west of Freital, between the Rote Weißeritz and the Wilde Weißeritz.
The village was first mentioned in 1350. Since 1 January 1974, Somsdorf is a municipal subdivision of Freital.
Coordinates: 50°59′N 13°36′E / 50.983°N 13.600°E / 50.983; 13.600