Castillo de la Albaida is a 9th-century fortress nestled in the foothills of Córdoba's sierra in Andalusia, Spain, with origins tracing to the Islamic period when Córdoba was a major political and economic center. Built on a limestone hill overlooking the landscape, the castle features restored stone walls, ramparts, and a central plaza de armas, though only select portions of the original structure remain. The site has been substantially reconstructed, including restorations directed in 1919 by María de la Paz Olalla y Casasola. Today, the castle operates as a hotel property, blending medieval architectural heritage with modern hospitality.