Castle of Fátima (Ubrique) Monument · Ubrique, Sierra de Cádiz, Cádiz The Castle of Fátima, also known as the Castle of Cardela, is a Muslim fortress of the 12th-13th centuries located on the Sierra de la Silla, above Ubrique (Cádiz). It was a hisn, or frontier stronghold, which came to belong to the Duchy of Arcos; today it is preserved in ruins. It is declared a Bien de Interés Cultural (Spain's highest level of heritage protection), with the code RI-51-0007641. ss. XII-XIII Photo: Alejandro Pérez Ordóñez (CC BY-SA 3.0 es) What to see and do in Ubrique