The Archdiocese of Edmonton is a Latin Church ecclesiastical territory or archdiocese in the Canadian civil province of Alberta. The archbishop's cathedral see is located in St. Joseph Cathedral, a minor basilica in Edmonton. The Archdiocese of Edmonton is the metropolitan see of its ecclesiastical province, which also contains two suffragan dioceses: the Dioceses of Calgary and Saint Paul in Alberta.

The Diocese of Calgary is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Alberta, Canada. The Diocese of Calgary is a suffragan diocese of the metropolitan Archdiocese of Edmonton.