Dexheim is a municipality located in the Mainz-Bingen district of the state of Rhineland-Palatinate, Germany. It is classified as an Ortsgemeinde, which is a type of local municipality that belongs to a Verbandsgemeinde, or collective municipality.
The town serves as a local administrative unit within its respective district. Its primary geographical and political identity is defined by its integration into the regional governance structure of Rhineland-Palatinate.