Dennweiler-Frohnbach is an Ortsgemeinde, or municipality, located in the Kusel district of Rhineland-Palatinate, Germany. It functions as a local administrative unit within a larger collective municipality structure.
The village belongs to the Verbandsgemeinde of Kusel-Altenglan, which has its seat located in the town of Kusel. This organizational framework defines its primary administrative and regional affiliations within the state.