King of Shinar, southern Chaldea, one of the confederates of Chedorlaomer, king of Elam, in a war against Sodom and cities of the plain ([Gen. 14:1](/gen#Gen.14.1), [4](/gen#Gen.14.4)). It is now found that Amraphel (or Ammirapaltu) is the Khammu-rabi whose name appears on recently-discovered monuments. After defeating Arioch (q.v.) he united Babylonia under one rule, and made Babylon his capital.