3 occurrences in 3 dictionaries
Reference: Azem
Fausets
AZEM or EZEM. A city S. of Judah; afterward allotted to Simeon (Jos 15:29; 19:3).
Morish
City on the south of Judah, afterwards allotted to Simeon. Jos 15:29; 19:3. Supposed to be the same as EZEM. It is not identified.
Smith
A'zem,
(bone), a city in the extreme south of Judah,
Jos 15:29
afterwards allotted to Simeon.
Jos 19:3
Elsewhere it is EZEM.
See Ezem