Hatra (Arabic: الحضر al-Ḥaḍr) is an ancient city in the Ninawa Governorate and al-Jazira region of Iraq. It is currently known as al-Hadr, a name which appears once in ancient inscriptions, and it was in the ancient Iranian province of Khvarvaran. The city lies 290 km (180 mi) northwest of Baghdad and 110 km (68 mi) southwest of Mosul.
Read more about Hatra: History, List of Rulers, Modern Hatra