Aach (German pronunciation: [ˈaːx] (listen)) is a small town in the German state of Baden-Württemberg (the region of Hegau). Being situated close to Lake Constance and the Swiss border, it is mostly known for the Aachtopf — Germany's biggest natural spring in terms of production. The town was originally twinned with the region of Colmnitz, but following the integration of Colmnitz into Klingenberg, Saxony the town is now twinned with Klingenberg itself. Aach was first mentioned in the year 1100, as part of the Duchy of Swabia. By the year 1150 the settlement was known in Latin as Oppidum Ach in Hegovia. In 1200, the lords transferred ownershp of the town to the Prince-Bishopric of Constance. Aach was granted town rights in 1283 by King Rudolph I of Germany. For the next centuries it was a part of Further Austria until the House of Habsburg purchased the County of Nellenburg, the county in which Aach was situated. More information...
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