The Diocese of Alcalá is a Roman Catholic diocese located in the region of Madrid, Spain. Established in 1991, it was formed from parts of the neighboring Diocese of Madrid and is part of the Ecclesiastical Province of Madrid. The diocese serves the spiritual needs of its community through various parishes and institutions. The diocese is governed by a bishop, who oversees the administration of the church and its activities. The current bishop is Juan Antonio Reig Pla, who has been in office since 2009. The diocese also engages in educational and charitable initiatives to support local communities.