How many places in Australia are called Walla Hills?

There is one place named Walla Hills in Australia.

All places in the world called "Walla Hills".

Location Walla Hills:

• Northern Territory

Cities

Kingston (5)
Gladstone (5)
Hamilton (5)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Dundas (3)
Kangaroo Flat (3)
Salisbury (3)
Stony Creek (3)
Beaconsfield (3)
Bridgewater (3)
Elliott (3)
Forest Hill (3)
Red Hill (3)
Swan Reach (3)
Middleton (3)
Warburton (3)
Williamstown (3)
Black Springs (3)
Flinders (3)
Huntly (3)
Sassafras (3)
Somerton (3)