High Quality Content by WIKIPEDIA articles! The Episcopal Diocese of South Carolina is a diocese of the Episcopal Church in the United States of America covering an area of 24 counties in the eastern part of the state of South Carolina. Its see city is Charleston, home to the Cathedral of St. Luke and St. Paul and Diocesan House. There are 25,830 baptized members attending 76 congregations served by 178 clergy. Established in 1785, it is one of the nine original dioceses of the Episcopal Church.