The Electorate of Trier was a significant ecclesiastical principality in the Holy Roman Empire, located in what is now western Germany. It was ruled by the Archbishop of Trier, who held both religious and political power. The electorate played a crucial role in the election of the Holy Roman Emperor, as one of the seven prince-electors. Established in the early Middle Ages, the Electorate of Trier was known for its rich cultural heritage and influential monasteries. Its capital, the city of Trier, is one of the oldest cities in Germany, featuring Roman ruins and medieval architecture. The electorate was dissolved in 1803 during the secularization process in the region.