🏛️ Soltaniyeh
UNESCO World Heritage Site comprising Ilkhanid-era monuments and pre-Mongol archaeological layers
📌 Fast Facts
- UNESCO World Heritage Site inscribed in 2005
- Located in northwestern Iran, near the city of Zanjan
- Primary monument: Mausoleum of Oljaytu (Dome of Soltaniyeh), 14th century
- Dome height exceeds 50 meters; double-shelled brick construction
- Pre-Mongol settlement layers (Seh Tappeh) predate the Ilkhanid capital
Soltaniyeh comprises overlapping archaeological phases spanning pre-Mongol occupation through the Ilkhanid period (13th–14th centuries). The site centers on ...