Langenau is a town in the district of Alb-Donau in Baden-Württemberg in Germany. It is situated 14 km northeast of Ulm. Today‘s Langenau w…Langenau is a town in the district of Alb-Donau in Baden-Württemberg in Germany. It is situated 14 km northeast of Ulm. Today‘s Langenau was created in 1972 by merging the historical villages of Albeck, Göttingen and Hövelsingen into the village of Langenau. Today, the four villages function as the town‘s Ortsteile.