Jaén (Ar. Jayyān) is an Andalusian city and the capital of the province of  the same name situated on the slopes of the rocky Santa Catalina hills on top of which the Muslim fortress still sits, a reminder of the frontier character of the region. Jaén province is located in northeastern Andalusia, in the south of the Iberian Peninsula. Today the region is known for its production of olive oil, but according to Arabic sources, in the early Middle Ages it was renowned as the granary of Cordova. It is also mentioned for the cultivation of silkworms. The region was involved in the rev…