Western suburbs Sydney consist of 12 local government city councils as bellow:

Auburn Council, Bankstown City Council, Blacktown City Council, Blue Mountains City Council, Fairfield City Council, Hawkesbury City Council, Holroyd City Council, The Hills Shire, Liverpool City Council, Parramatta City Council, Penrith City Council. Approximate 345 individual suburbs and 1.6 mil population in the western suburbs Sydney where total number brothels will be approximate 25 or less.

It is possible to allocate all council approved legal brothels in western suburbs. The biggest brothel in Sydney is located in western Suburbs. We can also come up with an impression that all high standard brothels are located around the city area. But it is also true that there are some old establishments in city area as well. Number of Asian brothels will be comparatively higher in the western suburbs. If we think about the cost to run a brothel then western suburbs will be cheaper option for establishments of brothels.