Chelous was one of the cities that received messengers from King Nebuchadnezzar asking for help in his war against Arphaxad (Judith 1:9). Most scholars think Chelous is the same as the ancient city Elusa. Today, that place is called Khalasa. It is south of Beersheba, near the southern edge of the Dead Sea.
Khalasa was close to an important crossroads in the region.