Declared a National Monument in 1931, the Jimena de la Frontera Castle Complex stands strategically on the so-called Cerro de San Cristóbal. Due to its size, it represents the most important monumental complex in the town since ancient times, since its occupation dates back to prehistory as demonstrated by the rock art caves located not far from it, including the Tartessians, Bastulos, Turdetans, and Phoenicians. . , Romans, Muslims and Christians, who left their architectural and cultural legacy in the current city.