Deuteronomy 1:4-6

4 This was after he had defeated Sihon king of the Amorites, who reigned in Heshbon, and at Edrei had defeated Og king of Bashan, who reigned in Ashtaroth.

5 East of the Jordan in the territory of Moab, Moses began to expound this law, saying:

6 The LORD our God said to us at Horeb, “You have stayed long enough at this mountain.