It is possibly the Muslim castle alluded to in the 1243 delimitation between the episcopal see of Baeza and the Archbishop of Toledo. Known as Ullurauam. In a territory between the Jandulilla River and the Guadiana Menor River, which would be identified as Larva. It is located near the current population of Larva, on a flat hill, with a polygonal plan and two enclosures. Its construction is made of mud alternating with masonry. It maintains its walled perimeter and several towers. Later, due to the border situation and the demographic vacuum, this castle would face the same fate as that of Cabra, abandoned in a neutral zone. Roman remains such as a tégola have also been found.