Since the local government reform in 1978 it comprises Welden, Reutern and Ehgatten.

Welden lies at the centre of the Holzwinkel landscape in Augsburg-West forestry natural park.

Welden and Ehgatten are situated on the Laugna which supplies the Zusam.

In 1597 the Fugger family acquired the estate which remained in the hand of the Fugger-Wellenburg branch until it extinguished in 1764, followed by the counts and princes of Fugger-Babenhausen.

Local council elections since the 1978 reform: The author Ludwig Ganghofer spent a significant part of his childhood (1859–1865) in Welden.