Joshua 13:9

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 from Medeba to Dibon;

Numbers 21:30

They are wounded with our arrows; destruction has come on Heshbon, even to Dibon; and we have made the land waste as far as Nophah, stretching out to Medeba.

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;

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 3:16

And the land from Gilead to the valley of the Arnon, with the middle of the valley as a limit, as far as the river Jabbok which is the limit of the country of the children of Ammon, I gave to the Reubenites and the Gadites;

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;

Isaiah 15:2

The daughter of Dibon has gone up to the high places, weeping: Moab is sounding her cry of sorrow over Nebo, and over Medeba: everywhere the hair of the head and of the face is cut off.

Jeremiah 48:18

Come down from your glory, O people of Dibon, and take your seat in the place of the waste; for the attacker of Moab has gone up against you, sending destruction on your strong places.

Jeremiah 48:22

And on Dibon, and on Nebo, and on Beth-diblathaim,

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
They are wounded with our arrows; destruction has come on Heshbon, even to Dibon; and we have made the land waste as far as Nophah, stretching out to Medeba.
Isaiah 15:2
The daughter of Dibon has gone up to the high places, weeping: Moab is sounding her cry of sorrow over Nebo, and over Medeba: everywhere the hair of the head and of the face is cut off.
Jeremiah 48:18
Come down from your glory, O people of Dibon, and take your seat in the place of the waste; for the attacker of Moab has gone up against you, sending destruction on your strong places.

General references

Numbers 21:31
So Israel put up their tents in the land of the Amorites.
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:
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;
Judges 11:19
And Israel sent men to Sihon, king of the Amorites, the king of Heshbon; and Israel said to him, Let me now go through your land to my place.

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