Mesopotamia, the Country between the (two) Rivers, i.e. the Euphrates and the Tigris.
Dodson, public domain
Occurrences
Acts 2:9Parthians, and Medes, and Elamites, and the dwellers in Mesopotamia, and in Judaea, and Cappadocia, in Pontus, and Asia,
Acts 7:2And he said, Men, brethren, and fathers, hearken; The God of glory appeared unto our father Abraham, when he was in Mesopotamia, before he dwelt in Charran,