Joshua 13:9

From Aroer that is upon the lip of the torrent Arnon, and the city which is in the midst of the torrent, and all the plain of Medeba, even to Dibon;

Numbers 21:30

And we shall shoot them; Heshbon was destroyed, even to Dibon, and the women even to Nophah, which is to Medeba

Joshua 13:16

And the boundary to them will be from Aroer which is upon the lip of the torrent Arnon, and the city which is in the midst of the torrent, and all the plain upon Medeba:

Deuteronomy 3:12

And this land we possessed in that time from Aroer which is by the torrent Arnon, and half the mount of Gilead and its cities I gave to the Reubenites and to the Gates.

Deuteronomy 3:16

And to the Reubemtes and to the Gadites I gave from Gilead even to the torrent Anion, the midst of the torrent and the boundary and even to the emptying of the torrent, the boundary of the sons of Ammon.

Joshua 12:2

Sihon, king of the Amorites, dwelling in Heshbon, he ruled from Aroer, which is upon the lip of the torrent Arnon, and between the torrent and half Gilead, and even to the torrent Jabbok, the boundary of the sons of Ammon;

Isaiah 15:2

He went up to the house and to Dibon, the heights, to weep: over Nebo and Medeba shall Moab wail: upon all their heads baldness; every beard cut off.

Jeremiah 48:18

Come down from thy glory, sit in thirst, thou daughter dwelling in Di-bon; for he laying Moab waste came up upon thee, destroying thy fortress.

Jeremiah 48:22

And upon Dibon, and upon Nebo, and upon the house of cakes of figs,

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 shall shoot them; Heshbon was destroyed, even to Dibon, and the women even to Nophah, which is to Medeba
Isaiah 15:2
He went up to the house and to Dibon, the heights, to weep: over Nebo and Medeba shall Moab wail: upon all their heads baldness; every beard cut off.
Jeremiah 48:18
Come down from thy glory, sit in thirst, thou daughter dwelling in Di-bon; for he laying Moab waste came up upon thee, destroying thy fortress.

General references

Numbers 21:31
And Israel will dwell in the land of the Amorites.
Numbers 34:14
For the tribe of the sons of Reuben took according to the house of their fathers, and the tribe of the sons of Gad according to the house of their fathers, and the half tribe of Manasseh took their inheritance.
Joshua 13:16
And the boundary to them will be from Aroer which is upon the lip of the torrent Arnon, and the city which is in the midst of the torrent, and all the plain upon Medeba:
Judges 11:19
And Israel will send messengers to Sihon, king of the Amorites, king of Heshbon; and Israel will say to him, We will pass now through in thy land, even to my place.