Neresheim is a town in the Ostalbkreis district, in Baden-Württemberg, Germany. It is situated 16 kilometres northeast of Heidenheim, and 20 kilometres southeast of Aalen. It's the home of the Neresheim Abbey, which still hosts monks, was Reichsfrei until the German Mediatisation and was built by Balthasar Neumann. Another notable touristic attraction is the heritage railway Härtsfeldbahn.