Hatra was an ancient city in Upper Mesopotamia located in present-day eastern Nineveh Governorate in northern Iraq. The city lies 290 km northwest of Baghdad and 110 km southwest of Mosul.
Hatra was a strongly fortified caravan city and capital of the small Arab Kingdom of Hatra, located between the Roman and Parthian/Persian empires. Hatra flourished in the 2nd century, and was destroyed and deserted in the 3rd century. Its impressive ruins were discovered in the 19th century.