Located on the Tigris and dating from the 3rd millennium BCE, Ashur was the first capital of the Assyrian Empire and the religious centre of the Assyrians. Following its destruction by the Babylonians, the city was briefly revived during the Parthian period.[3]
Situated on the top of a tell in Iraqi Kurdistan and overlooking the city of அர்பில், the Erbil Citadel constitutes a typical example of Ottoman-era urban-planning. In addition to its 19th century fortifications, the site also contains remains dating back to the Assyrian period.[4]
The fortified Parthian city of Hatra withstood repeated attacks by the Roman Empire in the 2nd century. Its architecture reflects both Hellenistic and Roman influences.[5]
Located on the Tigris, the Islamic city of Samarra was the capital of the Abbasid Caliphate. It contains two of the largest mosques and several of the largest palaces in the Islamic world, in addition to being among the finest example of Abbasid-era town-planning.[6]
Located in southern Iraq, the site contains three cities of Sumerian origin, namely உரூக், Ur and Eridu, in addition to four wetland areas in the Iraqi Marshlands.[7]