Numbers 35:13

35:13 These towns that you must give shall be your six towns for refuge.

Numbers 35:11

35:11 you must then designate some towns as towns of refuge for you, to which a person who has killed someone unintentionally may flee.

Numbers 35:14

35:14 “You must give three towns on this side of the Jordan, and you must give three towns in the land of Canaan; they must be towns of refuge.