The area of the municipality is 25.88 km², of which 1.58 km² are commercially used. The length from north to south is 6 km and the east to west length is 7 km. The municipality is subdivided into the Ortsteile Grünberg, Hermsdorf, Medingen and Ottendorf-Okrilla. It has two exits on the motorway A4 (Dresden - Görlitz) and four stations on the railway from Dresden to Königsbrück.
Ottendorf was first mentioned in 1346. The municipality Ottendorf-Okrilla was formed in 1921 by the merger of the former municipalities Ottendorf, Moritzdorf, Großokrilla, Kleinokrilla and Cunnersdorf. In 1994 Grünberg joined the municipality, and in 1999 Hermsdorf and Medingen.