Genesis 14:2

14:2 went to war against Bera king of Sodom, Birsha king of Gomorrah, Shinab king of Admah, Shemeber king of Zeboiim, and the king of Bela (that is, Zoar).

Genesis 14:8

14:8 Then the king of Sodom, the king of Gomorrah, the king of Admah, the king of Zeboiim, and the king of Bela (that is, Zoar) went out and prepared for battle. In the Valley of Siddim they met

Genesis 19:22

19:22 Run there quickly, for I cannot do anything until you arrive there.” (This incident explains why the town was called Zoar.)

Numbers 34:3

34:3 your southern border will extend from the wilderness of Zin along the Edomite border, and your southern border will run eastward to the extremity of the Salt Sea,