Easton's Bible Dictionary He-camel, occurs only in Ezek. 23:23, some province or place in the Babylonian empire, used in this passage along with Shoa (q.v.). Int. Standard Bible Encyclopedia KOA ko'-a (qoa`): A people named with Pekod and Shoa as enemies of Jerusalem (Ezekiel 23:23). Their location was probably Northeast of Babylonia.

Multi-Version Concordance Koa (1 Occurrence) Ezekiel 23:23 the Babylonians and all the Chaldeans, Pekod and Shoa and Koa, and all the Assyrians with them; desirable young men, governors and rulers all of them, princes and men of renown, all of them riding on horses. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)