HEIDENHEIM, a town of Germany, in the Land of Wurt temberg, 31 m. by rail N. by E. of Ulm. Pop. (1933) 21,903, The town, which received municipal privileges in 1356, is over looked by the ruins of the castle of Hellenstein, standing on a hill 1,985 ft. high. Its industrial establishments include cotton, to bacco, machinery, metal and rubber factories, bleach-works, dye works and breweries. Heidenheim is also the name of a small place in Bavaria famous on account of the Benedictine abbey, founded in 748 by the bishop of Eichstatt, which formerly stood therein. It was plundered by the peasantry in 1525 and was closed in