The Shirvan Shahs' Palace is a historical complex located in Baku, Azerbaijan. Built in the 15th century, it served as the residence of the Shirvan Shahs, the rulers of the Shirvan region. The palace showcases stunning Islamic architecture and includes several structures, such as the main palace, a mosque, and a mausoleum. The site is recognized for its intricate stone carvings and beautiful gardens, reflecting the artistic achievements of the time. In 2000, the Shirvan Shahs' Palace was designated a UNESCO World Heritage Site, highlighting its cultural significance and historical value in Azerbaijan.