The Archdiocese of San Diego is a Roman Catholic archdiocese located in Southern California. It serves a diverse population of over a million Catholics across San Diego and Imperial Counties. Established in 1936, it is part of the larger California ecclesiastical province and is led by an archbishop. The archdiocese encompasses numerous parishes, schools, and ministries that aim to support the spiritual and social needs of the community. It is involved in various outreach programs, including those focused on education, social justice, and family services, reflecting the teachings of the Catholic Church.