Henau 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.
The town is part of the Verbandsgemeinde of Kirchberg, which has its administrative seat in the town of Kirchberg. Henau serves as one of the constituent communities within this regional administrative structure.