Stadthagen is the capital of the district of Schaumburg, in Lower Saxony, Germany. It is situated approximately 20 km east of Minden and 40 km west of Hanover. The city consists of the districts Brandenburg, Enzen-Hobbensen, Hörkamp-Langenbruch, Krebshagen, Obernwöhren, Probsthagen, Reinsen and Wendthagen-Ehlen. Earlier, there were also the districts Habichhorst, Bruchhof, Blyinghausen, Enzen and Hobbensen.
Stadthagen is located on the German Timber-Frame Road.