Joshua 18:18
And passed along toward the side over against Arabah northward, and went down unto Arabah:
Cross-reference
Joshua 18:22
Parallel
Joshua 18:22 lists Beth Arabah as a city of Benjamin, likely the same location referred to by 'the Arabah' in this boundary description.
Joshua 15:61
Parallel
Joshua 15:61 lists Beth Arabah as a city in the wilderness of Judah, associated with the same Arabah region mentioned here.