The Diocese of Charleston is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church for the state of South Carolina in the United States. Currently, the diocese consists of 96 parishes and 21 missions, with Charleston as its see city. As of 2023, the bishop of Charleston is Jacques Fabre-Jeune.

The Archdiocese of Atlanta is a Latin Church ecclesiastical jurisdiction, or archdiocese, of the Catholic Church in northern Georgia in United States. The archdiocese is led by a prelate archbishop, who also serves as pastor of the mother church, the Cathedral of Christ the King in Atlanta. As of 2023, the archbishop of Atlanta is Gregory Hartmayer.