The Bishopric of Chur is a Roman Catholic diocese based in Chur in the Graubünden canton of Switzerland. The diocese covers the Swiss cantons of Graubünden, Zürich, Glarus, Uri, Schwyz, Nidwalden and Obwalden, and the Principality of Liechtenstein. The Bishops were sovereign princes in the Austrian Circle of the Holy Roman Empire, and had a seat in the Bench of Spiritual Princes until 1803.