The Grand Mosque is a complex of buildings that includes structures from different eras in the the life of the city. The first mosque on this site was built in the late 8th century. IN THE 10TH century, a mihrab (prayer niche) and a mansurah (enclosed place for the caliph). In the XVI century the mosque was consecrated and the Cathedral of the Ascension was erected inside it. Cathedral of the Ascension of the Virgin Mary.
The 14th-century Puerta del Pedrón (Gate of absolution) leads to an inner courtyard planted with orange trees. courtyard planted with orange trees and with a fountain for ablutions in the centre. in the centre. The entire interior of the mosque seems to be filled with a forest of columns - there are about 900 of them. about 900. Most of the columns were brought from ruined Roman or Visigothic buildings from all over Spain. There are columns made of garnet, jasper, and marble.
The Baroque Cathedral building inside the mosque was designed by by architect Hernán Ruiz. In the choir of the cathedral, there are seats with skilful carvings by Pedro Duque Cornejo.
The 93 metre high bell tower was built on the site of a minaret.
