Berzhahn is a municipality (Ortsgemeinde) located in the Westerwaldkreis district of Rhineland-Palatinate, Germany. It functions as a local administrative unit belonging to a Verbandsgemeinde.
The village is situated within the regional landscape of the Westerwald region. As an Ortsgemeinde, it represents a standard form of local government in the state of Rhineland-Palatinate, providing localized administration for its residents.