Numbers 21:11

21:11 Then they traveled on from Oboth and camped at Iye Abarim, ¹  in the wilderness that is before Moab, on the eastern side. ² 

Numbers 21:13

21:13 From there they moved on and camped on the other side of the Arnon, in the wilderness that extends from the regions ³  of the Amorites, for Arnon is the border of Moab, between Moab and the Amorites.

[21:11]  ¹ sn These places are uncertain. Oboth may be some 15 miles (25 km) from the south end of the Dead Sea at a place called ‘Ain el-Weiba. Iye Abarim may be the modern Mahay at the southeastern corner of Moab. See J. Simons, The Geographical and Topographical Texts of the Old Testament.

[21:11]  ² tn Heb “the rising of the sun.”

[21:13]  ³ tn Or “border.”