Castillo del Cerro de los Castillejos Monument · Villanueva del Rey, Valle del Guadiato, Córdoba Image of Villanueva del Rey, not of the place itself. Remains of a castle with cyclopean walls located on the Cerro de los Castillejos, within the municipal term of Villanueva del Rey. Photo: kallerna (CC BY-SA 4.0) What to see and do in Villanueva del Rey