The original church was Romanesque.It was extended using Gothic and Renaissance styles between 1522 and 1560. In the 17th century, the castle was blown up and reconstruction work was started around 1740 under the supervision of Ignacio de Íbero and Francisco Ignacio de Lizardi. The church has a rectangular plan, with semicircular apse, and secondary buildings.The nave of Santa María back onto the north part. The main front is noteworthy, built with a very large vaulted niche.The church is flanked by two towers.