Soltaniyeh Dome in Soltaniyeh city, Zanjan Province, Iran, traditionally so called, is a complex of ruins centering on the Mausoleum of the Mongol ruler Il-khan Öljeitü, also known as Muhammad Khodabandeh.
Zanjan province is located in Iranian Azerbaijan. Zanjan has a highland climate characterized by cold snowy weather in the mountains and moderate climate in the plains in wintertime. In the summers, the weather is warm.