Deuteronomy 19:2

19:2 you must set apart for yourselves three cities ¹  in the middle of your land that the Lord your God is giving you as a possession.

Deuteronomy 19:7

19:7 Therefore, I am commanding you to set apart for yourselves three cities.

[19:2]  ¹ sn These three cities, later designated by Joshua, were Kedesh of Galilee, Shechem, and Hebron (Josh 20:7-9).