Deuteronomy 1:4-6

4 after he had struck down Sihon king of the Amorites who lived in Heshbon, and Og king of the Bashan who lived in Ashtaroth and Edrei.

5 Across the Jordan in the land of Moab, Moses began to explain this Torah saying,

6 “ADONAI our God spoke to us at Horeb saying: ‘You have stayed long enough at this mountain.