Upper Mesopotamia , also known as the Jazira , is the area between the Euphrates and the Tigris from their sources down to Baghdad .
A further distinction is usually made between Northern or Upper Mesopotamia and Southern or Lower Mesopotamia .
Upper Mesopotamia , also known as the Jazira , is the Upper Mesopotamia between the Euphrates and the Tigris from their sources down to Baghdad .
A further distinction is usually made between Northern or Upper Mesopotamia and Southern or Lower Mesopotamia .