Where it appears

• Num 21:15the slope of the valleys that incline toward the dwelling of Ar, leans on the border of Moab.”
• Num 21:28for a fire has gone out of Heshbon, a flame from the city of Sihon. It has devoured Ar of Moab, The lords of the high places of the Arnon.
• Deut 2:9Yahweh said to me, “Don’t bother Moab, neither contend with them in battle; for I will not give you any of his land for a possession; because I have given Ar to the children of Lot for a possession.”
• Deut 2:18“You are to pass over Ar, the border of Moab, today.
• Deut 2:29as the children of Esau who dwell in Seir, and the Moabites who dwell in Ar, did to me; until I pass over the Jordan into the land which Yahweh our God gives us.”
• Isa 15:1The burden of Moab: for in a night, Ar of Moab is laid waste, and brought to nothing; for in a night Kir of Moab is laid waste, and brought to nothing.