1. A city on the south of Canaan
And when king Arad the Canaanite, which dwelt in the south, heard tell that Israel came by the way of the spies; then he fought against Israel, and took some of them prisoners. (Numbers 21:1)
And king Arad the Canaanite, which dwelt in the south in the land of Canaan, heard of the coming of the children of Israel. (Numbers 33:40)
Subdued by Joshua
The king of Hormah, one; the king of Arad, one; (Joshua 12:14)
2. Son of Beriah
And Zebadiah, and Arad, and Ader, (1 Chronicles 8:15)