Numbers 35:14
You shall give three cities beyond the Jordan, and three cities in the land of Canaan, to be cities of refuge.
Deuteronomy 4:41-43
Then Moses set apart three cities in the east beyond the Jordan,
Deuteronomy 19:8-10
And if the LORD your God enlarges your territory, as he has sworn to your fathers, and gives you all the land that he promised to give to your fathers--
Joshua 20:7-9
So they set apart Kedesh in Galilee in the hill country of Naphtali, and Shechem in the hill country of Ephraim, and Kiriath-arba (that is, Hebron) in the hill country of Judah.