Babylon the Great, the Mother of Prostitutes and Detestable Things of the Earth
Response to comment [from a Catholic]: "...[T]he beast and the woman are not the same thing..."
Harlotry is figurative of spiritual adultery (Is. 57:7–9; Rev 17:1–18).
See:
Re 14:8, 17:1 MacArthur; Re 17:1-3 J. Vernon McGee
Babylon the Great, the Mother of Prostitutes and Detestable Things of the Earth