Numbers 21:15

The slope of the valleys going down to the tents of Ar and touching the edge of Moab.

Numbers 21:28

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

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

You are about to go by Ar, the limit of the country of Moab;

Deuteronomy 2:29

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

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.

Treasury of Scripture Knowledge

Summary

And at the stream of the brooks that goeth down to the dwelling of Ar, and lieth upon the border of Moab.

General references

Bible References

Ar

Numbers 21:28
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
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.
Isaiah 15:1
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.

General references

Deuteronomy 2:18
You are about to go by Ar, the limit of the country of Moab;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain