Numbers 21:15

and at the stream of the brooks that goes down to the dwelling of Ar, and lies upon the border of Moab.

Numbers 21:28

for there is a fire gone out of Heshbon, a flame from the city of Sihon; it has consumed Ar of Moab and the lords of the high places of Arnon.

Deuteronomy 2:9

And the LORD said unto me, Distress not the Moabites, neither contend with them in battle; for I will not give thee of their land for a possession because I have given Ar unto the sons of Lot for an inheritance.

Deuteronomy 2:18

Thou art to pass the border of Moab today unto Ar,

Deuteronomy 2:29

(as the sons of Esau, who dwell in Seir, and the Moabites, who dwell in Ar, did unto me) until I shall pass the Jordan into the land which the LORD our God gives us.

Isaiah 15:1

The burden of Moab. Certainly in the night Ar of Moab was laid waste and brought to silence; certainly in the night Kir of Moab was laid waste and brought to silence.

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 there is a fire gone out of Heshbon, a flame from the city of Sihon; it has consumed Ar of Moab and the lords of the high places of Arnon.
Deuteronomy 2:9
And the LORD said unto me, Distress not the Moabites, neither contend with them in battle; for I will not give thee of their land for a possession because I have given Ar unto the sons of Lot for an inheritance.
Isaiah 15:1
The burden of Moab. Certainly in the night Ar of Moab was laid waste and brought to silence; certainly in the night Kir of Moab was laid waste and brought to silence.

General references

Deuteronomy 2:18
Thou art to pass the border of Moab today unto Ar,