Lower Mesopotamia Persian Gulf and severely limits productivity in the region south of Al Amarah. The salinity is reflected in the large lake in central Iraq, southwest of Baghdad, known as Bahr al Milh (Sea of Salt). There are two other major lakes in the country to the north of Bahr al Milh: Buhayrat ath Tharthar and Buhayrat al Habbaniyah. Lower Mesopotamia Lower Mesopotamia is a historical region of Iraq. Also known as the Sawad and al-'Irāq al-'Arabi ("Arabian Irāq") in the Middle Ages. Lower Mesopotamia was home to ancient Sumerian and Babylonian civilisations. An alluvial plain begins north of Baghdad and
History of Mesopotamia 2230–2050 BC according to the Short Chronology. Around 2334 BC, Sargon became ruler of Akkad in northern Mesopotamia. He proceeded to conquer an area stretching from the Persian Gulf into modern-day Syria. The Akkadians were a Semitic people and the Akkadian language came into widespread use as the lingua franca during this period, but literacy remained in the Sumerian language. The Akkadians further developed the Sumerian irrigation system with the incorporation of large weirs and diversion dams into the design to facilitate the reservoirs and canals required to transport water vast distances. The dynasty continued until around c. 2154 BC,