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The Alhambra is an ancient palace, fortress and citadel located in Granada, Spain. The eighth-century-old site was named for the reddish walls and towers that surrounded the citadel: al-qal’a al-hamra in Arabic means red fort or castle. It’s the only surviving palatine city (a royal territorial center) of the Islamic Golden Age and a remnant of the Nasrid Dynasty, the last Islamic kingdom in Western Europe.