Once you have located all the cities in the grid, the remaining letters will spell out another location.

BABYLONAHB
HEBRONILTM
ONTEERGEEH
HORHAASHRA
CDHMLLCTAR
IIAKAEEEZR
RSIOHMHBAO
EZKSBRAENM
JERUSALEMO
TTYRECAZAG

BABYLON
GAZA
JERUSALEM
SIDON
BETHEL
GOMORRAH
NAZARETH
TEKOA
BETHLEHEM
HEBRON
SAMARIA
TYRE
CARMEL
JERICHO
SHECHEM
ZIKLAG

solution...