Alcázar de los Reyes Cristianos

Excavations in the Courtyard of the Women have uncovered the southern stretch of Córdoba's first-century Roman wall, and in the fifth century a great late-antique castellum was raised against it to guard the Roman bridge and the river port. Abd ar-Rahman I, the Umayyad dynasty's one survivor after its fall in Damascus, fled to Córdoba, founded an independent emirate, and with his successors made the Alcázar the official residence and seat of power of Al-Andalus — a complex of baths and gardens holding the largest library in the West, irrigated by watermills on the Guadalquivir.

In the tenth century the seat of government moved out to the palace-city of Madinat al-Zahara, until that site was ruined in the caliphate's early-eleventh-century collapse and government returned to the Alcázar. Under the Almohads — probably in 1171–72, under the caliph Abu Yaacub Yusuf — the Umayyad apartments were demolished and a new alcazaba built in their place; a great Almohad arch of the late twelfth century, uncovered behind the Baroque gate in February 2023, confirmed the scale of that rebuilding.

Castilian forces took Córdoba in 1236, and the old alcázar was parcelled out between King Fernando III, Bishop Lope de Fitero, various nobles and the Order of Calatrava. In 1313 Augustinian monks were allowed to settle inside the walls, but in 1328 Alfonso XI bought their portion and began the fortress that stands today — sober and military outside, Mudéjar courtyards and gardens within. Work seems to have continued into 1350, and included baths built in imitation of the Islamic ones, named the Baths of Doña Leonor after Leonor de Guzmán, the king's mistress.

The new fortress was fought over almost at once. In the First Castilian Civil War, Pedro I attacked the Alcázar while it was defended by his half-brother, the future Enrique II — who as king strengthened the walls and added new albarrana towers. Enrique IV married Juana of Portugal here in 1455, and during the rebellion backing his teenage half-brother Alfonso, Alonso de Aguilar — elder brother of the future Gran Capitán — briefly held the castle for the rebel side. In the same conflict the defences were upgraded against the new threat of gunpowder, and the round tower now called the Tower of the Inquisition was rebuilt.

Isabella I of Castile and Ferdinand II of Aragon were the last monarchs to live in the Alcázar, spending eight years here directing the campaign against Nasrid Granada and planning the conquest of the Canary Islands. Abenchara, wife of the Canarian king Fernando Guanarteme, was brought here as a prisoner in August 1482 and gave birth a month later; the emir Boabdil, captured after the battle of Lucena in April 1483, was held until August, when he was released after swearing vassalage to the Catholic Monarchs, surrendering his son Ahmed as a hostage and paying 12,000 gold doblas. The chronicles say Ferdinand took pride in riding through Córdoba's streets with the monarchs of the Canaries and Granada at his side.

Isabella gave birth in the Alcázar on 29 June 1482 to María, a future queen of Portugal. In 1486 Christopher Columbus had his first audience with the monarchs here, in the Tower of Homage, seeking backing for a western sea route to Asia; they kept him on the payroll but endorsed the expedition only after Granada fell in 1492.

From 1482 the Alcázar housed one of the first permanent tribunals of the Spanish Inquisition, and after Granada fell the monarchs ceded the building to the church outright. The Mudéjar baths were converted into cells, and the round south-west tower stored the tribunal's archives for centuries. Under the inquisitor Diego Rodríguez de Lucero, 107 people were burned in a single auto de fe in 1504 — until the outraged citizenry stormed the Alcázar, freed more than 400 prisoners, and drove Lucero to flee towards Seville. The tribunal endured until the Cortes of Cádiz abolished the Inquisition in 1812.

Napoleon's troops garrisoned the fortress in 1810; after the abolition it became Córdoba's municipal prison, its courtyard arches walled up to make cells. Declared a historic monument in 1931, it held Republican prisoners after the Spanish Civil War until a new prison was built in 1941. From 1951 the mayor Antonio Cruz Conde drove its restoration, and the Alcázar opened to the public in 1960. It has formed part of Córdoba's UNESCO World Heritage historic centre since 1994, and in 2024 drew 706,401 visitors, second in the city only to the Mosque-Cathedral.