Hinnom: A Valley West and Southwest of Jerusalem
Source: Nav
Joshua 15:8
From there the border went up the Valley of Hinnom along the southern slope of the Jebusites (that is, Jerusalem) and ascended to the top of the hill that faces the Valley of Hinnom on the west, at the northern end of the Valley of Rephaim.
Joshua 18:16
Then it went down to the foot of the hill that faces the Valley of Hinnom at the northern end of the Valley of Rephaim and ran down the Valley of Hinnom toward the southern slope of the Jebusites and downward to En-rogel.
2 Kings 23:10
He also desecrated Topheth in the Valley of Ben-hinnom so that no one could sacrifice his son or daughter in the fire to Molech.
Nehemiah 11:30
Zanoah, Adullam, and their villages; in Lachish and its fields; and in Azekah and its villages. So they settled from Beersheba all the way to the Valley of Hinnom.