Aroer

Joshua 13:16
The territory from Aroer on the rim of the Arnon Valley, along with the city in the middle of the valley, to the whole plateau beyond Medeba,

Joshua 12:2
Sihon king of the Amorites, who lived in Heshbon. He ruled from Aroer on the rim of the Arnon Valley, along the middle of the valley, up to the Jabbok River (the border of the Ammonites), that is, half of Gilead,

Deuteronomy 3:12, 16
So at that time we took possession of this land. To the Reubenites and Gadites I gave the land beyond Aroer along the Arnon Valley, and half the hill country of Gilead, along with its cities. . . .

all the plain

Numbers 21:30
But we have overthrown them; Heshbon is destroyed as far as Dibon. We demolished them as far as Nophah, which reaches to Medeba."

Isaiah 15:2
Dibon goes up to its temple to weep at its high places. Moab wails over Nebo, as well as over Medeba. Every head is shaved, every beard is cut off.

Jeremiah 48:18, 22
Come down from your glory; sit on parched ground, O daughter dwelling in Dibon, for the destroyer of Moab has come against you; he has destroyed your fortresses. . . .