A 14th-century arch which served as a door that was closed at night to protect the inhabitants of the city. It divided Medina from Ajerquía.
Wikipedia (Spanish) http://es.wikipedia.org/wiki/Arco_del_Portillo
Address 6 Calle del Portillo, Córdoba 14003, Spain
Coordinates 37°52'53.04" N -4°46'34.572" E