Mesopotamia Old Babylonian remains at Nippur and Ur. Among the textual sources on building construction and associated rituals are Gudea's cylinders from the late 3rd millennium are notable, as well as the Assyrian and Babylonian royal inscriptions from the Iron Age. Mesopotamia Mesopotamia is a historical region in Western Asia situated within the Tigris–Euphrates river system, in modern days roughly corresponding to most of Iraq, Kuwait, parts of Northern Saudi Arabia, the eastern parts of Syria, Southeastern Turkey, and regions along the Turkish–Syrian and Iran–Iraq borders. The Sumerians and Akkadians (including Assyrians and Babylonians) dominated Mesopotamia from the beginning of written
Dara (Mesopotamia) the country of the Arabs from the inroads of the Persians and Saracens". Masons and workers from all over Mesopotamia were gathered and worked with great haste. The new city was built on three hills, on the highest of which stood the citadel, and endowed with great storehouses, a public bath and water cisterns. It took the name "Anastasiopolis" () and became the seat of the Roman "dux Mesopotamiae". According to Procopius, the hasty construction of the original walls resulted in poor quality, and the severe weather conditions of the region exacerbated the problem, ruining some sections. Thus Byzantine Emperor