'Cities of Refuge' in the Bible

then you shall choose cities to be cities of refuge for you, so that the slayer who kills any person through error may flee there.

You shall give three cities on this side Jordan, and you shall give three cities in the land of Canaan to be cities of refuge.

Speak to the sons of Israel, saying, Appoint cities of refuge for you, as I have spoken to you by the hand of Moses;

And to the sons of Aaron they gave the cities of refuge: Hebron, and Libnah with its open lands, and Jattir, and Eshtemoa with their open lands,

And they gave to them for the cities of refuge, Shechem in Mount Ephraim, with its open lands, also Gezer with its open lands,