proper noun/ba.bi.lɔ.ni/
Babylonia (an ancient empire and geographic region of Mesopotamia, existing from 1850 BCE to 539 BCE, based around the city of Babylon; at its maximum extent, covering parts of modern-day Iraq, Kuwait, Syria and Iran); Babylonia (a geographic area equivalent to Mesopotamia, from the area of Babylon's empire at its maximum extent)
From Latin Babylōnia, from Ancient Greek Βαβυλωνίᾱ (Babulōníā).