Joshua 13:18

18. Jahaza Written also Jahaz. It was the place of the decisive battle of the Israelites with Sihon, (Numbers 21:23,) and seems to have been on the confines of the desert, to the southeast of Heshbon, but its site has not been discovered, Kedemoth was also a city of this eastern desert, but as this region has not yet been explored its exact situation is not known. Mephaath is always mentioned in connexion with the two cities previously named, but, like them, is unknown. In the time of Eusebius it was the station of a Roman garrison to cheek the wandering Arabs of the desert.