Co-Cathedral of Guadalajara, Spain

The Co-cathedral of Santa María de la Fuente la Mayor (Spanish: "Concatedral de Santa María de la Fuente la Mayor") is a co-cathedral located in Guadalajara, in Castile-La Mancha, Spain. It is in the Roman Catholic Diocese of Sigüenza-Guadalajara.
The building is in mudejar style.
It was declared "Bien de Interés Cultural" in 1941.