Babylon

n. ancient city located on the Euphrates River in Asia (former capital of the Babylonian Empire); site and ruins of the ancient city of Babylon located south of modern Baghdad (Iraq); Babylon Ltd., single-click dictionary and translator, a leading provider of single-click information access translation and conversion software

Babylon was a  city of ancient Mesopotamia, the ruins of which can be found in present-day   Al Hillah,  Babil Province; Iraq about 80km south of Baghdad. It was the "holy city" of Babylonia from around 2300 BC, and the seat of the Neo-Babylonian Empire from 612 BC. The Hanging Gardens of Babylon was one of the Seven Wonders of the Ancient World.
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Noun
1. the chief city of ancient Mesopotamia and capitol of the ancient kingdom of Babylonia
(hypernym) city, metropolis, urban center
(part-holonym) Mesopotamia
(part-meronym) Hanging Gardens of Babylon
(classification) Mesopotamia
(class) Babylonian

n. Babylon, ancient city located on the Euphrates River in Asia, Babylonia, Babylonian Empire (ancient empire in southwest Asia)

Babylon [from Assyrian "gate of the gods"] An ancient, celebrated city on the Euphrates said to have been founded by the Assyrian monarch Ninus or his legendary wife Semiramis. In ancient times one foci through which Brahmanical esoteric wisdom from India was diffused in Asia Minor, and its cosmogony forms a link between those teachings and the cosmogony of the Hebraic Bible.