Deuteronomy 1:4

1:4 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.

Deuteronomy 8:9

8:9 a land where you may eat food in plenty and find no lack of anything, a land whose stones are iron and from whose hills you can mine copper.