The Castillo De La Aljafería is a historic castle located in Zaragoza, Spain. Originally built in the 11th century during the Taifa period, it served as a palace for Muslim rulers. The castle features stunning Islamic architecture, including intricate arches and beautiful tile work. In the 15th century, the castle was repurposed as a royal residence for the Catholic Monarchs, Ferdinand II of Aragon and Isabella I of Castile. Today, it houses the Cortes de Aragón, the regional parliament, and is a popular tourist attraction, showcasing its rich history and architectural beauty.