Joshua 12:2-3
12:2 King Sihon of the Amorites who lived in Heshbon and ruled from Aroer (on the edge of the Arnon Valley) – including the city in the middle of the valley and half of Gilead – all the way to the Jabbok Valley bordering Ammonite territory.
12:3 His kingdom included the eastern Arabah from the Sea of Kinnereth to the Sea of the Arabah (the Salt Sea), including the route to Beth Jeshimoth and the area southward below the slopes of Pisgah.