Tags: Clerical Administrative Region, Diocese.
The Roman Catholic Diocese of Ciudad Obregón (Latin: Dioecesis Civitatis Obregonensis) (erected 20 June 1959) is a suffragan diocese of the Archdiocese of Hermosillo. Along with the Archdiocese of Chihuahua and the Diocese of Ciudad Juárez it lost territory in 1966 to form the Territorial Prelature of Madera.