Joshua 13:9

from Aroer, which is on the edge of the brook Arnon, and the city which is in the midst of the brook, and all the plain of Medeba unto Dihon,

Numbers 21:30

And we shoot them, Perished hath Heshbon unto Dibon, And we make desolate unto Nophah, Which is unto Medeba.'

Joshua 13:16

and the border is to them from Aroer, which is on the edge of the brook Arnon, and the city which is in the midst of the brook, and all the plain by Medeba,

Deuteronomy 3:12

And this land we have possessed, at that time; from Aroer, which is by the brook Arnon, and the half of mount Gilead, and its cities, I have given to the Reubenite, and to the Gadite;

Deuteronomy 3:16

'And to the Reubenite and to the Gadite I have given from Gilead even unto the brook Arnon, the middle of the valley and the border, even unto Jabbok the brook, the border of the sons of Ammon,

Joshua 12:2

Sihon, king of the Amorite, who is dwelling in Heshbon, ruling from Aroer which is on the border of the brook Arnon, and the middle of the brook, and half of Gilead, and unto Jabok the brook, the border of the Bene-Ammon;

Isaiah 15:2

He hath gone up to Bajith and Dibon, The high places -- to weep, On Nebo and on Medeba Moab howleth, On all its heads is baldness, every beard cut off.

Jeremiah 48:18

Come down from honour, sit in thirst, O inhabitant, daughter of Dibon, For a spoiler of Moab hath come up to thee, He hath destroyed thy fenced places.

Jeremiah 48:22

And on Dibon, and on Nebo, And on Beth-Diblathaim, and on Kirathaim,

Treasury of Scripture Knowledge

Summary

From Aroer, that is upon the bank of the river Arnon, and the city that is in the midst of the river, and all the plain of Medeba unto Dibon;

Bible References

All the plain

Numbers 21:30
And we shoot them, Perished hath Heshbon unto Dibon, And we make desolate unto Nophah, Which is unto Medeba.'
Isaiah 15:2
He hath gone up to Bajith and Dibon, The high places -- to weep, On Nebo and on Medeba Moab howleth, On all its heads is baldness, every beard cut off.
Jeremiah 48:18
Come down from honour, sit in thirst, O inhabitant, daughter of Dibon, For a spoiler of Moab hath come up to thee, He hath destroyed thy fenced places.

General references

Numbers 21:31
And Israel dwelleth in the land of the Amorite,
Numbers 34:14
for the tribe of the sons of Reuben have received, by the house of their fathers; and the tribe of the children of Gad, by the house of their fathers; and the half of the tribe of Manasseh have received their inheritance;
Joshua 13:16
and the border is to them from Aroer, which is on the edge of the brook Arnon, and the city which is in the midst of the brook, and all the plain by Medeba,
Judges 11:19
'And Israel sendeth messengers unto Sihon, king of the Amorite, king of Heshbon, and Israel saith to him, Let us pass over, we pray thee, through thy land, unto my place,