Castillo de Torredonjimeno is an 11th-12th century fortress of Almohad origin located in Jaén Province, Andalusia, built to protect an Arab settlement and irrigated lands from internal conflicts and Christian advances. Acquired by the Order of Calatrava in 1228, the castle was reconstructed with a rectangular plan featuring circular masonry towers at corners and a central courtyard protected by a barbican. A spectacular 15th-century polychrome Mudéjar ceiling, commissioned by the Order's commander Luis González de Guzmán, showcases the artistic refinement of medieval fortress design. After partial demolition in 1526, the Guzmán family rehabilitated it as a lordly residence with dual courtyards and Mudéjar decorative motifs, preserving its dual military-residential character through centuries of Spanish history.