Revelation 7:2; Revelation 16:12; Revelation 21:13

Revelation 7:2

2 And I saw another angel ascending from the rising of the sun, having the seal of the living God; and he cried out with a loud voice to the four angels to whom it was granted to harm the earth and the sea,

Revelation 16:12

12 The sixth angel poured out his bowl on the great river, the Euphrates; and its water was dried up, so that the way would be prepared for the kings from the east .

Revelation 21:13

13 There were three gates on the east and three gates on the north and three gates on the south and three gates on the west.