Cross reference
Numbers 21:15
15 The slope of the valleys going down to the tents of Ar and touching the edge of Moab.
Numbers 21:28
28 For a fire has gone out of Heshbon, a flame from the town of Sihon: for the destruction of Ar in Moab, and the lords of the high places of the Arnon.
Deuteronomy 2:9
9 And the Lord said to me, Make no attack on Moab and do not go to war with them, for I will not give you any of his land: because I have given Ar to the children of Lot for their heritage.
Deuteronomy 2:18
18 You are about to go by Ar, the limit of the country of Moab;
Deuteronomy 2:29
29 As the children of Esau did for me in Seir and the Moabites in Ar; till I have gone over Jordan into the land which the Lord our God is giving us.
Isaiah 15:1
1 The word about Moab. For in a night Ar of Moab has become waste, and is seen no longer; for in a night Kir of Moab has become waste, and is seen no longer.