The Diocese of Portland is a Roman Catholic diocese located in the state of Maine. Established in 1853, it serves a diverse community of Catholics across the region, providing spiritual guidance and support through various parishes and ministries. The diocese is part of the larger ecclesiastical province of Boston. The diocese is led by a bishop, who oversees the administration of the church and its activities. It focuses on promoting the teachings of the Catholic Church, fostering community engagement, and providing educational programs. The diocese also participates in charitable works, reflecting the values of the Catholic Church.