When he returned from defeating Chedorlaomer and the kings with him, the king of Sodom came out to meet him in the Valley of Shaveh, which is the Valley of the King.
Bereishis Rabbah (Emek Shaveh / Valley of the King)
English: Valley of Shaveh — where all the nations were of one accord and appointed Avraham prince of God over them.
Supplementary classical material not listed by Torah Temimah under this exact passuk.