The Roman Catholic Diocese of Charleston is an ecclesiastical territory or diocese of the Roman Catholic Church in the southern United States and comprises the entire state of South Carolina, with Charleston as its see city. Currently, the diocese consists of 92 parishes and 24 missions throughout the state. It is led by the Most Rev. Robert Guglielmone, the Thirteenth Bishop of Charleston, who serves as pastor of the mother church, Cathedral of Saint John the Baptist in the City of Charleston. Its first bishop was John England.