The Alhambra (Arabic: Al Hamra - literally "The Red Castle") is an ancient palace and fortress of the Moorish rulers of the Granada province in southern Spain. The castle occupies the top of a rocky plateau on the southeastern border of Granada. The name Alhambra probably derives from the color of the sun-dried clay or brick from which the walls of the castle are made. However, some historians suggest that the name comes from the "red flame of the torches" that illuminated the many years of construction of the castle, which went on around the clock