Deuteronomy 3:12

And this land which we took at that time, from Aroer by the valley of the Arnon, and half the hill-country of Gilead with its towns, I gave to the Reubenites and the Gadites.

Deuteronomy 2:36

From Aroer on the edge of the valley of the Arnon and from the town in the valley as far as Gilead, no town was strong enough to keep us out; the Lord our God gave them all into our hands:

Numbers 32:32-38

We will go over armed before the Lord into the land of Canaan, and you will give us our heritage on this side of Jordan.

Deuteronomy 4:48

From Aroer on the edge of the valley of the Arnon as far as Mount Sion, which is Hermon,

Joshua 12:2-6

Sihon, king of the Amorites, who was living in Heshbon, ruling from Aroer, which is on the edge of the valley of the Arnon, and the town in the middle of the valley, and half Gilead, as far as the river Jabbok, the limits of the children of Ammon;

Joshua 13:8-28

With him the Reubenites and the Gadites have been given their heritage, which Moses gave them, on the east side of Jordan, as Moses, the servant of the Lord, gave them;

2 Kings 10:33

East of Jordan, in all the land of Gilead, the Gadites and the Reubenites and the Manassites, from Aroer by the valley of the Arnon, all Gilead and Bashan.

Treasury of Scripture Knowledge

Summary

And this land, which we possessed at that time, from Aroer, which is by the river Arnon, and half mount Gilead, and the cities thereof, gave I unto the Reubenites and to the Gadites.

Bible References

From aroer

Deuteronomy 2:36
From Aroer on the edge of the valley of the Arnon and from the town in the valley as far as Gilead, no town was strong enough to keep us out; the Lord our God gave them all into our hands:
Deuteronomy 4:48
From Aroer on the edge of the valley of the Arnon as far as Mount Sion, which is Hermon,
Numbers 32:33
So Moses gave to them, even to the children of Gad and the children of Reuben and to the half-tribe of Manasseh, the son of Joseph, the kingdom of Sihon, king of the Amorites and Og, king of Bashan, all the land with its towns and the country round them.
Joshua 12:2
Sihon, king of the Amorites, who was living in Heshbon, ruling from Aroer, which is on the edge of the valley of the Arnon, and the town in the middle of the valley, and half Gilead, as far as the river Jabbok, the limits of the children of Ammon;
Joshua 13:8
With him the Reubenites and the Gadites have been given their heritage, which Moses gave them, on the east side of Jordan, as Moses, the servant of the Lord, gave them;
2 Kings 10:33
East of Jordan, in all the land of Gilead, the Gadites and the Reubenites and the Manassites, from Aroer by the valley of the Arnon, all Gilead and Bashan.

General references

Numbers 34:14
For the tribe of the children of Reuben, by their fathers' families, and the tribe of the children of Gad, by their fathers' families, and the half-tribe of Manasseh, have been given their heritage:
Deuteronomy 29:8
And we took their land and gave it to the Reubenites and the Gadites and the half-tribe of Manasseh, for their heritage.
Joshua 13:16
Their limit was from Aroer, on the edge of the valley of the Arnon, and the town in the middle of the valley, and all the table-land by Medeba;
Psalm 136:21
And gave their land to his people for a heritage: for his mercy is unchanging for ever.

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