But the Lord told me, “Don't be afraid of him, for I have handed him over to you, together with all his people and his land. Deal with him as you did with Sihon, king of the Amorites, who ruled in Heshbon.”
We also captured all his towns. There wasn't a single town among all the sixty that we didn't capture. This included the whole region of Argob, the kingdom of Og in Bashan.
They took over his country and the country of Og king of Bashan. (They were the two kings of the Amorites who previously ruled on the east side of the Jordan.)
as well as all the land of the kingdom of Og of Bashan, who had ruled in Ashtaroth and Edrei. He was one of the last of the Rephaites. Moses had defeated them and driven them out.