The diocesan system of Roman Catholic church government in Colombia comprises thirteen ecclesiastical provinces each headed by an archbishop. The provinces are in turn subdivided into 52 dioceses and 13 archdioceses each headed by a bishop or an archbishop.
The seat of the Archdiocese of Barranquilla is Catedral Metropolitana de María Reina.
The seat of the Archdiocese of Bogotá is Catedral Primada Basílica de la Inmaculada Concepción.
The seat of the Archdiocese of Cali is Catedral de San Pedro.
The seat of the Archdiocese of Cartagena is Catedral Basílica Metropolitana de Santa Catalina de Alejandría.
The seat of the Archdiocese of Ibagué is Catedral de la Inmaculada Concepción.
The seat of the Archdiocese of Manizales is Catedral Basilica de Nuestra Señora del Rosario.
The seat of the Archdiocese of Medellín is Catedral Basílica Metropolitana de la Inmaculada Concepción.
The seat of the Archdiocese of Popayán is Catedral Basílica de Nuestra Señora de la Asunción.
The seat of the Archdiocese of Santa Fe de Antioquia is Catedral Basílica Metropolitana Nuestra Señora de la Inmaculada Concepción.
The seat of the Archdiocese of Tunja is Catedral Basílica de Santiago Apóstol.