The Mesopotamia was a collections compose from different cultures like Babylonials, Akkadians, the sumerians and the Assidians . They create some tool like the wheel, they learn to write in pictograms then improving and getting a formal way, fight with the wapons they create like the draggers, shields, arrows etc, the agriculture too and some religions things.
Mesopotamia from the Greek name between two rivers was located in the Eastern Mediterranean. Between the land that is Fertile Crecent where Mesopotamia civilitations begins. Now the most bigger part is from Iraq, the other parts are from Siria and Turkey.
c.5000-3500BCE the first the city starts to appear in the south of Mesopotamia they were the sumerian people. c.2300 King Sargon of Akkad conquer the first empire in world history, they reach until c.2220. 1792-493 King Hammurabi of Babylonian conqueres a empire but they get decline afer his dead.