Principality of Regensberg

State · 1806–1813 CE · at its largest around 1806 CE

A Napoleonic-era principality formed around Regensburg for Karl Theodor von Dalberg, former Archchancellor of the Holy Roman Empire, before passing to Bavaria.

On its lands while it lasted

• Würzburg (c. 1806 CE): Capital of Grand Duchy of Würzburg (1806–1814).

More on Wikipedia.