Electorate of Trier

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Electorate of Trier Kurfürstentum Trier (German) Électorat de Trèves (French)
898–1801
Flag Coat of arms
The Electorate of Trier in 1720
Status	State of the Holy Roman Empire
Capital	Trier, Ehrenbreitstein
Common languages	French Latin Luxembourgish Moselle Franconian German
Religion	Catholic Church
Government	Prince-Bishopric
Elector of Trier
• 1768–1803	Prince Clemens Wenceslaus of Saxony
Historical era	Middle Ages Early Modern
• Autonomy granted	772
• Imperial immediacy	898
• Raised to electorate	between 1189 and 1212
• Trier city rights	1212
• Joined Electoral Rhenish Circle	1512
• Treaty of Lunéville	9 February 1801
• Reconstituted as Grand Duchy of the Lower Rhine within Prussia	9 June 1815
Preceded by Succeeded by List of counts palatine of the Rhine Rhin-et-Moselle Sarre (department) House of Nassau-Weilburg

The Electorate of Trier (German: Kurfürstentum Trier or Kurtrier or Trèves) was an ecclesiastical principality of the Holy Roman Empire that existed from the end of the 9th to the early 19th century. It was the temporal possession of the prince-archbishop of Trier (Erzbistum Trier) who was, ex officio, a prince-elector of the empire. The other ecclesiastical electors were the electors of Cologne and Mainz.

The capital of the electorate was Trier; from the 16th century onward, the main residence of the Elector was in Koblenz. The electorate was secularized in 1803 in the course of the German mediatisation.

The Elector of Trier, in his capacity as archbishop, also administered the Archdiocese of Trier, whose territory did not correspond to the electorate (see map below).