Ulm is a city in the German Bundesland of Baden-Württemberg, situated on the river Danube, about 90 km south-east of Stuttgart and 140 km north-west of Munich. The city, whose population is estimated at 120,000 (2005), forms an urban district of its own (Germ.: Stadtkreis) and is the administrative seat of the Alb-Donau district. Ulm, founded around 850 AD, is rich in history and traditions as a former Free Imperial City (Germ.: Reichsstadt).