'Babylon the Great' in the Bible

And on her forehead was a name written, MYSTERY, BABYLON THE GREAT, THE MOTHER OF HARLOTS AND OF THE ABOMINATIONS OF THE EARTH.

And he cried mightily with a strong voice, saying, Babylon the great has fallen, has fallen! And it has become the dwelling-place of demons, and a prison of every unclean spirit, and a cage of every unclean bird which has been hated,