What are many waters?

At Revelation 17:1, we read of a woman who sits on "many waters." This woman is a "harlot" and has a name: "Babylon the Great." This "harlot" symbolizes the world empire of religion that opposes the GOD of heaven. In verse 15 of that same chapter, the "many waters" are identified: "The waters that you saw, where the harlot is sitting, mean peoples and crowds and nations and tongues." So, the many waters are people out of all nations that this "woman" controls, and that support her.