The township (
Stadt) Heimsheim covers an area of at the very southeastern tip of the Enz district. It is physically located in the foothills of the
Black Forest, in the
Heckengäu, a region geology is characterized by
karstified and wooded
muschelkalk hills. Because the Heckengäu is home to a number of protected species of fauna, Heimsheim borders the , , , and
Federal nature reserves. The primary watercourse in Heimsheim is the Kotzenbach (also called the Zieselbach), which drains into the
Würm to the southwest. The river flows through a shallow valley carved into the Upper
Buntsandstein near Heimsheim's center, and along Enz district's western edge. The Kotzenbach is also the location of Heimsheim's lowest elevation,
NN. The highest elevation, , is the top of a hill on the border with
Renningen, in the
Böblingen district. The southwest portion of Heimsheim lies in the while the northern and eastern portion is made up by and the west of and . == Politics ==