The Diocese of Huesca is a Latin Church ecclesiastical territory or diocese of the Catholic Church located in north-eastern Spain, in the province of Huesca, part of the autonomous community of Aragón. The Diocese of Huesca is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Zaragoza.

The Archdiocese of Saragossa is a Latin diocese of the Catholic Church located in north-eastern Spain, in the province of Zaragoza, part of the autonomous community of Aragón. The archdiocese heads the ecclesiastical province of Saragossa, having metropolitan authority over the suffragan dioceses of Barbastro-Monzón, Huesca, Tarazona, and Teruel and Albarracín.