The Edomites were descendants of Esau. They lived southeast of Judah (see Genesis 25:30; 32:3; 36:1–8).
The Ishmaelites were descendants of Hagar. They lived in the desert.
The Moabites and Ammonites were descendants of Lot. They lived east of Israel and Judah.
The Hagrites might have lived north of the Ammonites (1 Chronicles 5:10).