The Bible describes Satan as the Dragon:

“And the great dragon was cast out, that old serpent, called the Devil, and Satan, which deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.” Revelation 12:9

Then the bible goes on to later prophesy where the Dragons house would be located at:

“Behold, the noise of the bruit is come, and a great commotion out of the north country, to make the cities of Judah desolate, and a den of dragons.” Jeremiah 10:22

And then after telling us that Israel would be a House, or a Den of Dragons. The bible tells us in the last book that Satan, the Dragon has a religion and a people:

“Behold, I will make them of the synagogue of Satan, which say they are Jews, and are not, but do lie; behold, I will make them to come and worship before thy feet, and to know that I have loved thee.” Revelation 3:9 KJV

Synagogue of the Dragon. House of the Dragon.