The Prefecture Apostolic of Rhaetia () was a Latin Church ecclesiastical jurisdiction or apostolic prefecture of the Catholic Church in what is now the Diocese of Chur, Switzerland.
History 1621: Established as Apostolic Prefecture of Rhaetia, on territory split off from the Roman Catholic Diocese of Chur. 1921: Suppressed to Roman Catholic Diocese of Chur after 300 years of existence.
In 1902 the Prefecture Apostolic had 22 parishes, in three of which the majority of inhabitants spoke Italian; 52 churches and chapels; 40 schools for boys and girls; 7200 Catholics and 25 Capuchins.
Ordinaries all incumbents were missionary members of the Order of Friars Minor Capuchin (O.F.M.Cap) Apostolic Prefects of Rhaetia Fr. Ignatius of Cosnigo, O.F.M.Cap. (1621 – 1645) Fr. Giovanni Giuseppe Santini, O.F.M.Cap. (Jan 2, 1905 – 1912)
See also Catholic Church in Switzerland
Sources and References Profile at Catholic Hierarchy