Deuteronomy 3:12

“So we took possession of this land at that time. From Aroer, which is by the valley of Arnon, and half the hill country of Gilead and its cities I gave to the Reubenites and to the Gadites.

Deuteronomy 2:36

From Aroer which is on the edge of the valley of Arnon and from the city which is in the valley, even to Gilead, there was no city that was too high for us; the Lord our God delivered all over to us.

Numbers 32:32-38

We ourselves will cross over armed in the presence of the Lord into the land of Canaan, and the possession of our inheritance shall remain with us across the Jordan.”

Deuteronomy 4:48

from Aroer, which is on the edge of the valley of Arnon, even as far as Mount Sion (that is, Hermon),

Joshua 12:2-6

Sihon king of the Amorites, who lived in Heshbon, and ruled from Aroer, which is on the edge of the valley of the Arnon, both the middle of the valley and half of Gilead, even as far as the brook Jabbok, the border of the sons of Ammon;

Joshua 13:8-28

With the other half-tribe, the Reubenites and the Gadites received their inheritance which Moses gave them beyond the Jordan to the east, just as Moses the servant of the Lord gave to them;

2 Kings 10:33

from the Jordan eastward, all the land of Gilead, the Gadites and the Reubenites and the Manassites, from Aroer, which is by the valley of the Arnon, even 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 which is on the edge of the valley of Arnon and from the city which is in the valley, even to Gilead, there was no city that was too high for us; the Lord our God delivered all over to us.
Deuteronomy 4:48
from Aroer, which is on the edge of the valley of Arnon, even as far as Mount Sion (that is, Hermon),
Numbers 32:33
So Moses gave to them, to the sons of Gad and to the sons of Reuben and to the half-tribe of Joseph’s son Manasseh, the kingdom of Sihon, king of the Amorites and the kingdom of Og, the king of Bashan, the land with its cities with their territories, the cities of the surrounding land.
Joshua 12:2
Sihon king of the Amorites, who lived in Heshbon, and ruled from Aroer, which is on the edge of the valley of the Arnon, both the middle of the valley and half of Gilead, even as far as the brook Jabbok, the border of the sons of Ammon;
Joshua 13:8
With the other half-tribe, the Reubenites and the Gadites received their inheritance which Moses gave them beyond the Jordan to the east, just as Moses the servant of the Lord gave to them;
2 Kings 10:33
from the Jordan eastward, all the land of Gilead, the Gadites and the Reubenites and the Manassites, from Aroer, which is by the valley of the Arnon, even Gilead and Bashan.

General references

Numbers 34:14
For the tribe of the sons of Reuben have received theirs according to their fathers’ households, and the tribe of the sons of Gad according to their fathers’ households, and the half-tribe of Manasseh have received their possession.
Deuteronomy 29:8
and we took their land and gave it as an inheritance to the Reubenites, the Gadites, and the half-tribe of the Manassites.
Joshua 13:16
Their territory was from Aroer, which is on the edge of the valley of the Arnon, with the city which is in the middle of the valley and all the plain by Medeba;
Psalm 136:21
And gave their land as a heritage,
For His lovingkindness is everlasting,