Revelation 17:18

Overview - Revelation 17
A woman arrayed in purple and scarlet, with a golden cup in her hand sits upon the beast;
which is great Babylon, the mother of all abominations.
The interpretation of the seven heads;
12 and the ten horns.
14 The victory of the Lamb.
16 The punishment of the whore.
Treasury of Scripture Knowledge

Revelation 17:18  (King James Version)
And the woman which thou sawest is that great city, which reigneth over the kings of the earth.

the woman
16:19 18:2 Daniel 2:40 Daniel 2:41 ; 7:23 Luke 2:1

which reigneth
The city which, at the time of the vision, "reigned over the kings of the earth," was undoubtedly Rome; and from its foundation, it has, in different ways, accomplished this object to the present time.