Hardt is a municipality in the district of Rottweil, in the German state of Baden-Württemberg. It is one of the smaller communities within the district, which lies in the southwestern part of the country.
The municipality is situated in the region of Baden-Württemberg, a state in southwestern Germany that borders France and Switzerland. The district of Rottweil, to which Hardt belongs, is located within this state and takes its name from the town of Rottweil, its administrative seat.
As a municipality, Hardt forms part of the local administrative structure of the Rottweil district, alongside the other towns and communities that make up the district. It is distinct from other places bearing the name Hardt, including the larger municipality of Hardt in the neighbouring state of Rhineland-Palatinate.