Groß-Umstadt is a town in the district of Darmstadt-Dieburg in the Bundesland of Hesse in Germany. It is near by Darmstadt and Frankfurt on the northern border of mountain range Odenwald and is on the south-eastern edge of Rhine-Main Metropolitan Region.
The population is about 21,000 residents. About half of residents are living in Groß-Umstadt itself and the remainder in eight other districts which were incorporated by Hesse State Municipal Reform Act in 1970s:
Dorndiel
Wikipedia https://en.wikipedia.org/wiki/Groß-Umstadt
Coordinates 49°52'6.231" N 8°55'44.377" E