Castillo de Almodóvar del Río Monument · Almodóvar del Río, Valle Medio del Guadalquivir, Córdoba Fortress overlooking the Guadalquivir valley, of caliphal origin (year 740), which served as a residence for Kings Peter I and Henry II and also as a prison. Much of its current fame comes from having served as a filming location for the series 'Game of Thrones'. 740 Photo: Rabe! (CC BY-SA 3.0) What to see and do in Almodóvar del Río