Bible Verses About Mesopotamia: Chariots hired from, by the Ammonites

Aware that they had made themselves utterly abhorrent to David, Hanun and the people of 'Amon sent thirty-three tons of silver to hire chariots and horsemen from Aram-Naharayim, Aram-Ma'akhah and Tzovah.

They hired 32,000 chariots, as well as the king of Ma'akhah with his people, who came and pitched their camp in front of Meidva. Then the people of 'Amon assembled themselves from their cities and went out to fight.