The municipality (Gemeinde) of Allmannsweiler covers 410 hectares (1,000 acres) ofthe district ofBiberach an der Riss, making it the second smallest municipality in that district. It is located at the southern edge of the district's area, along the border withthe district ofSigmaringen. Allmannsweiler is physically located in the basin of theFedersee. Elevation above sea level in the municipal area ranges from a high of 646 meters (2,119 ft)Normalnull (NN) to a low of 589 meters (1,932 ft) NN.[2]
The architecture of Allmannsweiler is primarily made up ofBaroque farmhouses andhalf-timber buildings. A notable edifice is theGothic, 14th century Church of the Holy Cross, the localRoman Catholic parish church.[2]
Allmannsweiler'scoat of arms depicts a raised,golden cross upon afield ofgreen. The cross is an image of the crucifix in the Church of the Holy Cross, and the green field references the agricultural character of the municipality's economy. This coat of arms was awarded along with a municipal flag by the Biberach district office on 23 March 1982.[2]