Genesis 14:2

that these made war with Bera, king of Sodom, and with Birsha, king of Gomorrah, Shinab, king of Admah, and Shemeber, king of Zeboiim, and the king of Bela, which is Zoar. Those were the days of the city-states, just before the rise of the great Eastern nations. According to contemporary documents, Amraphel of Shinar is to be identified with Ammu-rabi, or Khammurabi, king of Sumer, who shortly afterward founded the early Babylonian empire; Arioch of Ellasar was probably Eri-Aku, king of Larsa, a south Babylonian city-state; Chedorlaomer was Kudur-Lagamor, a near successor of Simti Shilkhak, mentioned in ancient records of Elam, or Elymais; and Tidal, king of Goiim, or nations, was Tudhkhulu, king of Gutium, in the southwestern part of what was afterward Amraphel's territory. These four kings had formed a confederacy for the purpose of extending their power and to that end waged war with the five kings of the vale of Siddim, in the southeastern part of Canaan, where their city-states also formed a confederacy.