Revelation 17:1–19:10 form one section, all revolving around the fall of Babylon. Revelation 17:1–18 introduces us to Babylon (and hence her nature) and then explains how the Lord brings about her fall. Revelation 18:1–19:10 follows with reactions to her fall.
1 Then one of the seven angels who had the seven bowls came and said to me, “Come, I will show you the judgment of the great prostitute who is seated on many waters,