There were three gates on the east, three on the north, three on the south, and three on the west.
We have already considered the introduction to the vision of the new Jerusalem in a more general idea of the heavenly state; we now come to the vision itself, where observe, I. The person that opened the vision to the apostle - one of the seven angels, that had the seven vials full of the seven last plagues, Rev 21:9.
Commenting on Revelation 21:9-27
On the east three gates,.... On which were written the names of Joseph, Benjamin, and Dan: on the north three gates; on which were written the names of Reuben, Judah, and Levi: on the south three gates; on which were written the names of Simeon, Issachar, and Zabulon: and on the west three gates; on which were written the names of Gad, Asher, and Naphtali; see Eze 48:31.
Verse 13. On the east three gates, etc. The city was square, (,) and the same number of gates is assigned to each quarter. There does not appear to be any special significancy in this fact, unless it be to denote that there is access to this city from all quarters of the world, and that they who dwell there will have come from each...