A city on the torrent Arnon, the southern point of the territory of Sihon king of the Amorites and afterwards of the tribe of Reuben, (2:36; 3:12; 4:48; Joshua 12:2; 13:9,16; Judges 11:26; 2 Kings 10:33; 1 Chronicles 5:8) but later again in possession of Moab. (Jeremiah 48:19) It is the modern Ara'ir , upon the very edge of the precipitous north bank of the Wady Mojeb .
Aroer, "that is 'facing' Rahbah" (Rabbah of Ammon), a town built by and belonging to Gad. (Numbers 32:34; Joshua 13:25; 2 Samuel 24:5) This is probably the place mentioned in (Judges 11:33) which was shown in Jerome's time.
Aroer, in (Isaiah 17:2) if a place at all, must be still farther north than either of the two already named.
A town in Judah, named only in (1 Samuel 30:28) perhaps Wady Ar'arah , on the road from Petra to Gaza.
