Principality of Aschaffenburg

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Principality of Aschaffenburg
Fürstentum Aschaffenburg
Client state of the French Empire and
State of the Confederation of the Rhine
Flag Coat of arms
Capital Aschaffenburg
Government Principality
Historical era Napoleonic Wars
 •  Established 1803
 •  Merged into Grand
    Duchy of Frankfurt
 •  Awarded to Bavaria 1814
Preceded by
Succeeded by
Coat of arms of the Archbishopric of Mainz Archbishopric of Mainz
Grand Duchy of Frankfurt Wappen Großherzogtum Frankfurt.svg

The Principality of Aschaffenburg (German: Fürstentum Aschaffenburg) was a principality of the Holy Roman Empire and the Confederation of the Rhine from 1803–10. Its capital was Aschaffenburg.

With the secularization of the Archbishopric of Mainz in 1803, Karl Theodor Anton Maria von Dalberg was compensated by receiving the newly created principalities of Aschaffenburg and Regensburg and the County of Wetzlar. Along with the city of Aschaffenburg, the Principality of Aschaffenburg also consisted of Klingenberg, Lohr, Aufenau, Stadtprozelten, Orb, and Aura.

The principality became part of the Confederation of the Rhine in 1806 after the dissolution of the Holy Roman Empire. In 1810 Napoleon granted Dalberg's Principality of Regensburg to the Kingdom of Bavaria and compensated him with Hanau and Fulda. Dalberg merged his remaining territories of Aschaffenburg, Frankfurt, Wetzlar, Hanau, and Fulda into the new Grand Duchy of Frankfurt, with the Principality of Aschaffenburg becoming a department of the new grand duchy. The city of Aschaffenburg remained the residence of Dalberg, however. The region was annexed by Bavaria in 1814.


  • Köbler, Gerhard (1988). Historisches Lexikon der deutschen Länder (in German). Munich: Verlag C. H. Beck. p. 639. ISBN 3-406-33290-0.