Zahhak Castle in Hashtrud, East Azarbaijan, is undergoing significant restoration led by the East Azarbaijan Cultural Heritage, Tourism, and Handicrafts Department. The project aims to preserve the castle’s historical integrity while transforming it into a cultural tourism hub. Focused on the main entrance and eastern wing, restoration efforts respect the original materials and design. The initiative includes improving access, installing multilingual information boards, and developing tourism infrastructure to enhance visitor experiences. Zahhak Castle, linked to ancient Iranian mythology, dates back to the second millennium BC and showcases intricate defensive architecture, reflecting its historical significance and potential for regional economic growth.