These are the words Moses spoke to all Israel across the Jordan in the wilderness, in the Arabah opposite Suph, between Paran and Tophel, Laban, Hazeroth, and Di-zahab.
References for Deuteronomy 1:1
It is an eleven-day journey from Horeb to Kadesh-barnea by way of Mount Seir.
In the fortieth year, in the eleventh month, on the first of the month, Moses told the Israelites everything the Lord had commanded him [to say] to them.
This was after he had defeated Sihon king of the Amorites, who lived in Heshbon, and Og king of Bashan, who lived in Ashtaroth, at Edrei.
References for Deuteronomy 1:4
Across the Jordan in the land of Moab, Moses began to explain this law, saying:
"The Lord our God spoke to us at Horeb, 'You have stayed at this mountain long enough.
References for Deuteronomy 1:6