Belg is a municipality located in the Rhein-Hunsrück-Kreis district within the state of Rhineland-Palatinate, Germany. It functions as an Ortsgemeinde, which is a type of local municipality belonging to a larger collective municipality known as a Verbandsgemeinde.
The village is part of the Verbandsgemeinde of Kirchberg, which has its administrative seat in the town of Kirchberg. Belg serves as one of the constituent communities within this regional administrative structure.