Deuteronomy 3:12

Arnon : a river forming the southern border of Ammon east of the Dead Sea
(31° 25´, 35° 40´)

Aroer : a town by the Wadi Arnon on the border of Reuben and Gad,a town in the desert of Judah
(31° 28´, 35° 49´); (31° 57´, 35° 54´); (31° 8´, 34° 59´)

Gadites : the tribe of Gad as a whole

Gilead : a mountainous region east of the Jordan & north of the Arnon to Hermon,son of Machir son of Manasseh; founder of the clan of Gilead,father of Jephthah the judge,son of Michael of the tribe of Gad
(32° 2´, 35° 43´)

Reubenites : the tribe of Reuben

Deuteronomy 3:2

Amorites : members of a pre-Israel Semitic tribe from Mesopotamia

Heshbon : a town of south-eastern Judah
(31° 48´, 35° 48´); (31° 12´, 34° 56´)

Sihon : the king of the Amorites in Moses time