Revelation 17:9

Here is a problem for a profound mind! The seven heads are seven hills, on which the woman is seated.

Revelation 13:18

There is wisdom hidden here! Let everyone of intelligence calculate the animal's number, for it indicates a certain man; its number is 666.

Revelation 17:3

So he carried me away in a trance to a desert, and I saw a woman seated on a scarlet animal all covered with blasphemous titles; it had seven heads and ten horns.

Matthew 13:11

He answered, "You are permitted to know the secrets of the Kingdom of Heaven, but they are not.

Matthew 24:15

"So when you see the dreadful desecration, of which the prophet Daniel spoke, set up in the Holy Place"??he reader must take note of this??16 "then those who are in Judea must fly to the hills;

Revelation 13:1

Then I stood on the sand of the seashore, and I saw an animal come up out of the sea with ten horns and seven heads, and with ten diadems on its horns, and blasphemous titles on its heads.

Revelation 17:7

but the angel said to me, "Why are you amazed? I will explain to you what the woman and the animal with seven heads and ten horns that carries her symbolize.

Revelation 17:18

And the woman that you saw is the great city that has dominion over the kings of the earth."

Treasury of Scripture Knowledge

Summary

And here is the mind which hath wisdom. The seven heads are seven mountains, on which the woman sitteth.

Bible References

Here

Revelation 13:18
There is wisdom hidden here! Let everyone of intelligence calculate the animal's number, for it indicates a certain man; its number is 666.
Matthew 13:11
He answered, "You are permitted to know the secrets of the Kingdom of Heaven, but they are not.
Matthew 24:15
"So when you see the dreadful desecration, of which the prophet Daniel spoke, set up in the Holy Place"??he reader must take note of this??16 "then those who are in Judea must fly to the hills;

The seven

Revelation 17:3
So he carried me away in a trance to a desert, and I saw a woman seated on a scarlet animal all covered with blasphemous titles; it had seven heads and ten horns.
Revelation 13:1
Then I stood on the sand of the seashore, and I saw an animal come up out of the sea with ten horns and seven heads, and with ten diadems on its horns, and blasphemous titles on its heads.