Berglangenbach is an Ortsgemeinde, or municipality, located in the Birkenfeld district within the state of Rhineland-Palatinate, Germany. It functions as a local administrative unit belonging to a larger collective municipality.
The village is part of the Verbandsgemeinde of Baumholder, which has its administrative seat in the town of Baumholder. This organizational structure characterizes the local governance of the region.