Wernberg is a municipality in the district of Villach-Land, in the Austrian state of Carinthia. It lies in the southern part of Austria, within the Villach-Land district, which surrounds the city of Villach.
As a municipality, Wernberg is one of the local administrative units that make up the Villach-Land district in Carinthia. Carinthia is Austria's southernmost state, and the Villach-Land district is one of its administrative divisions.