It was formed in January 2005 from the amalgamation of the former Central Sydney Area Health Service and the South Western Sydney Area Health Service.
SSWAHS was a statutory body of the Government of New South Wales, operating under the NSW Department of Health.
It was disbanded on 1 January 2011 as part of the National Health Reform and creation of Local Hospital Networks, and replaced by the Sydney Local Health District and South Western Sydney Local Health District.
[1] The Eastern Zone of SSWAHS comprised the facilities of the former Central Sydney Area Health Service.
Major facilities in the Eastern Zone were: The Western Zone of SSWAHS comprised the facilities of the former South Western Sydney Area Health Service.