10:10-12 Babylonia is the area surrounding the Tigris and Euphrates in southern Mesopotamia. This kingdom eventually reached into northern Mesopotamia (Assyria). • Of the cities mentioned, Babylon is most important because of its role in building the Tower of Babel (see 11:4 and study note). • Erech was ancient Uruk and is now Warka in southern Iraq (see Ezra 4:9-10). • Akkad was the ancient Agade north of Babylon, home of the famous ruler Sargon (2370–2295 BC). • The location of Calneh is uncertain, though it is presumably one of Nimrod’s cities located north of Aram-naharaim in southern Mesopotamia (cp. Amos 6:2). • building . . . Nineveh: Like Cain, Nimrod built cities (see Gen 4:17 and comments). Nineveh was an ancient Assyrian city on the east bank of the Tigris River in northern Iraq. • Rehoboth-ir was a daughter-city of Nineveh or was located nearby. • Calah is modern Tell Nimrud, south of Nineveh. • Resen is possibly modern Selamiyeh, northwest of Tell Nimrud.