Glenfield is a suburb of Sydney, in the state of New South Wales, Australia. Glenfield is located 36 kilometres south-west of the Sydney central business district, in the local government areas of the City of Campbelltown and is part of the Macarthur region.

Macarthur is a region in the south-west part of the Greater Sydney area, in the state of New South Wales, Australia. The region includes the local government areas of the City of Campbelltown, Camden Council, and Wollondilly Shire. It covers an area of 3,067 square kilometres and has a population of close to 310,000 residents. The region geographically forms the foothills between the Blue Mountains and Southern Highlands regions.