Numbers 35:14
You shall provide three cities on this [east] side of the Jordan [River], and three [more] cities in the land of Canaan; they are to be the cities of refuge.
Deuteronomy 4:41-43
Then Moses set apart three cities [of refuge] beyond the Jordan toward the rising of the sun (eastward),
Deuteronomy 19:8-10
“If the Lord your God enlarges your border, as He has sworn to your fathers to do, and gives you all the land which He promised to give to your fathers—
Joshua 20:7-9
So they set apart and consecrated 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.