The description of this territory ends with a reminder of the Levites" inheritance, who received a special relationship to God rather than a tract of land. [source][source][source]
"The two and one-half tribes chose, as Lot did, on the basis of appearance (cf. Genesis 13:10-11), and their inheritance was ultimately lost to them [1]. On the other hand the Levites, requesting no portion, were given an inheritance of abiding spiritual significance." [2][source]