Gau-Weinheim is a municipality (Ortsgemeinde) located in the Alzey-Worms district within the state of Rhineland-Palatinate, Germany. It functions as part of a Verbandsgemeinde, which is a specific type of collective municipality used for administrative purposes in the region.
The town serves as a local community unit situated in the southwestern part of the German state. Its primary classification is defined by its membership within the larger administrative structure of the Alzey-Worms district.