The document provides an overview of the Alhambra palace complex located in Granada, Spain. It describes the uncertain early history of construction on the site from the 11th century onwards. Yusuf ibn Nasr began major construction of the current structures in the 13th century, establishing the citadel and palaces. Over the centuries, many rulers made additions and renovations, resulting in the diverse architectural styles seen today ranging from Islamic to Renaissance influences. The document also examines some of the key architectural features like ornate columns, tilework, arabesque patterns, and the intricate decoration without human forms as per Islamic tradition.