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.
TSK
TSK · Numbers 21:33
Treasury of Scripture Knowledge references in NET.
Defeat of King Og of Bashan Next we set out on the route to Bashan, but King Og of Bashan and his whole army came out to meet us in battle at Edrei.
When you came to this place King Sihon of Heshbon and King Og of Bashan came out to make war and we defeated them.
and all he did to the two Amorite kings on the other side of the Jordan– King Sihon of Heshbon and King Og of Bashan in Ashtaroth.
the whole kingdom of Og in Bashan, who ruled in Ashtaroth and Edrei.(He was one of the few remaining Rephaites.) Moses defeated them and took their lands.
Many bulls surround me; powerful bulls of Bashan hem me in.
The land dries up and withers away; the forest of Lebanon shrivels up and decays. Sharon is like the arid rift valley; Bashan and Carmel are parched.
You will eat the flesh of warriors and drink the blood of the princes of the earth– the rams, lambs, goats, and bulls, all of them fattened animals of Bashan.