Western Sydney is a major region of Sydney, New
South Wales, Australia. Western Sydney has a
number of different definitions but one
consistently used is the region composed of the 10
councils which are all members of the Western
Sydney Regional Organisation of Councils:

Auburn Council
Bankstown City Council
Blacktown City Council
Blue Mountains City Council
Fairfield City Council
Hawkesbury City Council
Holroyd City Council
Liverpool City Council
Parramatta City Council
Penrith City Council