Ezekiel 47:18
And the east side ye shall measure from Hauran, and from Damascus, and from Gilead, and from the land of Israel by Jordan, from the border unto the east sea. And this is the east side.
Cross-reference
Numbers 32:1
Historical context
Numbers 32:1 shows the tribes requesting Gilead as their inheritance, the same region that forms part of Ezekiel's eastern boundary.