Ulm is the sixth-largest city of the southwestern German state of Baden-Württemberg, and with around 129,000 inhabitants, it is Germany's 60th-largest city. Ulm is located on the eastern edges of the Swabian Jura mountain range, on the upper course of the River Danube, at the confluence with the small Blau Stream, coming from the Blautopf in the west. The mouth of the Iller also falls within Ulm's city limits. The Danube forms the border with Bavaria, where Ulm's twin city Neu-Ulm lies. The city was part of Ulm until 1810, and Ulm and Neu-Ulm have a combined population of around 190,000. Ulm forms an urban district of its own, and is the administrative seat of the Alb-Donau-Kreis, the district that surrounds it on three sides, but which the city itself is not a part of. Ulm is the overall 11th-largest city on the Danube River, and the third-largest German Danubian city after Regensburg and Ingolstadt.
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