Lower Mesopotamia 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 extends to the Persian Gulf. Here the Tigris and Euphrates rivers lie above the level of the plain in many places, and the whole area is a river delta interlaced by the channels of the two rivers and by irrigation canals. Intermittent lakes, fed by the rivers in flood, also characterize southeastern Iraq. A fairly large area ()
Mesopotamia, Greece Mesopotamia, Greece Mesopotamia (Greek: Μεσοποταμία), Bulgarian and Macedonian Slavic: , is a village and a former municipality in Kastoria regional unit, West Macedonia, Greece. Since the 2011 local government reform it is part of the municipality Kastoria, of which it is a municipal unit. The municipal unit has an area of 99.173 km. Population 4,224 (2011). The municipality was formed at the 1997 Kapodistrias reform under the name "Aliakmonas", after the river Aliakmonas. It was renamed to "Mesopotamia" in 2006. The town of Mesopotamia was the seat of the municipality. Mesopotamia has three Byzantine style churches. The most recent and