Place Names of Length 2

This is a list of place names in which the length is 2.
Oz 1 (Region) Literature
Invented by the American author L. Frank Baum for the setting of his fantasy novel The Wonderful Wizard of Oz (1900). There are several unsubstantiated theories about how Baum created the name, though it seems probable he simply made it up.
Oz 2 (Country) English
Informal short form of Australia.