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
Ichnae (Mesopotamia) that it was not far distant from the important town of Carrhae. Ichnae (Mesopotamia) Ichnae () was a small fortified town, or castle, in Mesopotamia, situated on the river Bilecha, which itself flowed into the Euphrates. It is said by Isidorus of Charax to have owed its origin to the Macedonians. There can be little doubt that it is the same place as is called Ἴχνιαι by Dio Cassius, and Γ̓́σχναι by Plutarch. According to the former writer, it was the place where Crassus overcame Talymenus; according to the latter, that to which the younger Crassus was persuaded to fly