Two tribes and a half had already received their portions on the east of Jordan; Judah, Ephraim, and the remaining half of Manasseh had also been provided for Josh. 15–17. Thus there remained still seven tribes out of the twelve to be settled in their homes.
Related Commentaries of Joshua 18:2
Joshua 18:2
2 And there remained among the children of Israel seven tribes, which had not yet received their inheritance.