Upper Mesopotamia Upper Mesopotamia Upper Mesopotamia is the name used for the uplands and great outwash plain of northwestern Iraq, northeastern Syria and southeastern Turkey, in the northern Middle East. After the Arab Islamic conquest of the mid-7th century AD the region has been known by the traditional Arabic name of al-Jazira ( "the island"), also transliterated "Djazirah", "Djezirah", "Jazirah" & the Syriac (Aramaic) variant "Gāzartā" or "Gozarto" (). The Euphrates and Tigris rivers transform Mesopotamia into almost an island, as they are joined together at the Shatt al-Arab in the Basra Governorate of Iraq, and their sources in eastern Turkey are
Mesopotamia in Classical literature and the numbers associated with them are probably corrupt. It is different with the 7th and 8th dynasties as given by Ptolemy in the Canon of Kings in his "Almagest", which prove to have been recorded faithfully: Mesopotamia in Classical literature Before the decipherment of cuneiform text, knowledge of the history of the ancient Mesopotamia was mostly dependent upon classical authorities and the Hebrew Bible. These testimonies were scanty and confused for times predating the 7th century BCE. Had the native history of Berossus survived, this may not have been the case; all that is known of the Chaldaean historian's