🏛️ Soltaniyeh
Ilkhanid mausoleum and archaeological complex in northwestern Iran
📋 Fast Facts
- UNESCO World Heritage Site designated for outstanding universal value in Islamic architecture
- Double-shelled dome approximately 50 meters high, pioneering engineering feat of the 14th century
- Built by Ilkhanid ruler Öljaitü as capital of the Ilkhanid dynasty (13th–14th centuries)
- Octagonal mausoleum surrounded by eight minarets, with interior stuccowork and tilework
Soltaniyeh is an archaeological complex in northwestern Iran centered on the Mausoleum of Oljaytu, built in the early 14th century during the Ilkhanid period. The site represents a significant achievement in Islamic architectural engineering and remains largely in ruins today, though its principal dome structure survives intact. The complex includes Tappeh Dur, an archaeological mound that provides evidence of human settlement in the region extending back to the early 4th millennium BC ...