12 It will be a special gift to them from the sacred portion of the land, a most holy portion, bordering the territory of the Levites.

Read Ezekiel 48:12 Using Other Translations

And this oblation of the land that is offered shall be unto them a thing most holy by the border of the Levites.
And it shall belong to them as a special portion from the holy portion of the land, a most holy place, adjoining the territory of the Levites.
It will be their special portion when the land is distributed, the most sacred land of all. Next to the priests’ territory will lie the land where the other Levites will live.