Some people of Bostanabad believe that the current city was built on the ruins of Ujan (or Ojan), the summer capital of the Mongols that disappeared and its name was mentioned in most books of history since the sixth century AH.
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Warm Water Spring which is located near the main road between Tabriz and Tehran Aq Bolaq Cave which is located south to Qareh Chaman.
The town of Bostanabad in Bostanabad County, located 55 kilometers from Tabriz, was built on the site of the old city of Ojan whose name has been mentioned in many history books since the sixth century AH.