The Archdiocese of Cincinnati is a Roman Catholic archdiocese located in southwestern Ohio. It serves a large community of Catholics and encompasses several counties, including Hamilton, Butler, and Warren. Established in 1821, it is one of the oldest archdioceses in the United States and plays a significant role in the spiritual and social life of the region. The archdiocese is led by an archbishop and is divided into multiple parishes, schools, and ministries. It focuses on various aspects of community life, including education, social services, and outreach programs. The archdiocese also engages in ecumenical efforts to promote unity among different Christian denominations.