Giengen is a former Free Imperial City in eastern Baden-Württemberg near the border with Bavaria in southern Germany. The town is located in the district of Heidenheim at the eastern edge of the Swabian Alb, about 30 kilometers northeast of Ulm on the Brenz River.
Giengen from the Bruckersberg
The Marktplatz
The Brenz River at Giengen, circa 1910
Giengen circa 1910
In the Holy Roman Empire, the collective term free and imperial cities, briefly worded free imperial city, was used from the fifteenth century to denote a self-ruling city that had a certain amount of autonomy and was represented in the Imperial Diet.
Swabian Rottweil maintained its independence up to the mediatization of 1802–03. Rottweil, c. 1435.
A partial list of the Free Imperial Cities of Swabia based on the Reichsmatrikel of 1521. It indicates the number of horsemen (left hand column) and infantry (right hand column) which each Imperial Estate had to contribute to the defence of the Empire.
Weissenburg-im-Nordgau in 1725
Württemberg more than doubled its size when it absorbed some 15 Free Cities (in orange) and other territories during the mediatisations of 1803 and 1806.