 The most important monastery in the diocese is Santa Cruz Monastery, founded in 1131 by Afonso Henriques, and for some time the most important in the kingdom by reason of its wealth and privileges.Its prior was authorized, or so it was claimed, by Anastasius IV and Celestine III to wear the episcopal insignia.The Academic Center of Christian Democracy is an association of Christian inspiration, belonging to the Diocese of Coimbra, which provides support to university students, who study in the University of Coimbra.