Joshua 21:7

21:7 Merari’s descendants by their clans were allotted twelve cities from the tribes of Reuben, Gad, and Zebulun.

Joshua 21:1

Levitical Cities

21:1 The tribal leaders of the Levites went before Eleazar the priest and Joshua son of Nun and the Israelite tribal leaders

Joshua 6:1

6:1 Now Jericho was shut tightly because of the Israelites. No one was allowed to leave or enter.