They took possession of his land and the land of Og king of Bashan, the two Amorite kings east of the Jordan.
This land extended from Aroer1 on the rim of the Arnon Gorge to Mount Siyon2 (that is, Hermon3),
References for Deuteronomy 4:48
and included all the Arabah east of the Jordan, as far as the Sea of the Arabah, below the slopes of Pisgah.
References for Deuteronomy 4:49