Numbers 35:2
"Command the children of Israel, that they give unto the Levites of the inheritance of their possession cities to dwell in; and ye shall give also unto the Levites suburbs for the cities round about them."
Cross References (ranked by relevance)
Ezekiel 48:8
And by the border of Judah, from the east side unto the west side, shall be the offering which ye shall offer of five and twenty thousand reeds in breadth, and in length as one of the other parts, from the east side unto the west side: and the sanctuary shall be in the midst of it.
Ezekiel 48:22
Moreover from the possession of the Levites, and from the possession of the city, being in the midst of that which is the prince’s, between the border of Judah and the border of Benjamin, shall be for the prince.