Different cities were known by this name. It is thought that the specific Aroer mentioned in this verse was situated north of the Arnon River in an area which today forms part of Jordan. Historically, the city was sometimes in Israelite hands, and other times it formed part of the Moabite territory.
2 Les villes d'Aroër sont abandonnées, Elles sont livrées aux troupeaux; Ils s'y couchent, et personne ne les effraie.