Then they turned and went up by the road to Bashan. And King Og of Bashan and all his forces marched out against them to do battle at Edrei.
TSK
TSK · Deuteronomy 3:1
Treasury of Scripture Knowledge references in NET.
This took place after the defeat of King Sihon of the Amorites, whose capital was in Heshbon, and King Og of Bashan, whose capital was in Ashtaroth, specifically in Edrei.
They possessed his land and that of King Og of Bashan– both of whom were Amorite kings in the Transjordan, to the east.
The LORD will do to them just what he did to Sihon and Og, the Amorite kings, and to their land, which he destroyed.
Now these are the kings of the land whom the Israelites defeated and drove from their land on the east side of the Jordan, from the Arnon Valley to Mount Hermon, including all the eastern rift valley:
Their territory started at Mahanaim and encompassed all Bashan, the whole realm of King Og of Bashan, including all sixty cities in Havvoth Jair in Bashan.
“You gave them kingdoms and peoples, and you allocated them to every corner of the land. They inherited the land of King Sihon of Heshbon and the land of King Og of Bashan.
Og, king of Bashan, for his loyal love endures,