Arad: A City on the South of Canaan
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Numbers 21:1
When the Canaanite king of Arad, who lived in the Negev, heard that Israel was coming along the road to Atharim, he attacked Israel and captured some prisoners.
Numbers 33:40
Now the Canaanite king of Arad, who lived in the Negev in the land of Canaan, heard that the Israelites were coming.