Odelzhausen is a town and municipality in the west of the region of "Dachau" (Upper Bavaria). The administrative collectivity of Odelzhausen consists of Odelzhausen and the townships of Sulzemoos and Pfaffenhofen an der Glonn.

Odelzhausen is situated along the A 8 Autobahn, which connects Munich and Stuttgart. The distance to Augsburg City Centre is 32,4 km (20.1 miles), to Munich City Centre 38,3 km (23.8 miles). No light rail connects it directly to Munich, but three bus lines connect the town with the Dachau and Munich-Pasing station. On-demand taxi lines are being phased in to improve public tranport.