Offenheim is a municipality located in the Alzey-Worms district of the state of Rhineland-Palatinate, Germany. It is classified as an Ortsgemeinde, which is a type of local municipality belonging to a Verbandsgemeinde, or collective municipality.
The town serves as a residential and administrative area within its regional district. As an Ortsgemeinde, it functions as part of the broader collective municipal structure characteristic of the region's local government organization.