Gregory Hills is a suburb of the Macarthur Region
of Sydney in the state of New South Wales,
Australia in Camden Council. Gregory Hills was
assigned on 1 August 2008. The suburb was
named from the Marist Brothers St Gregory's
Chapel on the land before suburban
development. Gregory Hills is a suburb of Sydney,
New South Wales and is about 25 kms west-
northwest of NSW's capital city of Sydney.