Deuteronomy 2:18
"Today you are going to cross the border of Moab, that is, of Ar.
Numbers 21:15
and the slope of the valleys that extends to the dwelling of Ar, and falls off at the border of Moab."
Numbers 21:23
But Sihon did not permit Israel to pass through his border; he gathered all his forces together and went out against Israel into the wilderness. When he came to Jahaz, he fought against Israel.
Isaiah 15:1
Here is a message about Moab: Indeed, in a night it is devastated, Ar of Moab is destroyed! Indeed, in a night it is devastated, Kir of Moab is destroyed!