St Marys

St Marys is a suburb in western Sydney, in the City of Blacktown, about 42 kilometres from the Sydney CBD. Queen Street is the southern commercial centre and main street, while Dunheved to the north is a major industrial and commercial area. St Marys station is a local transport hub on the main western railway line, with the M4 Motorway and Great Western Highway providing major road connections.

St Marys is an industrial and distribution precinct, with warehouses and factories forming the northern trade and manufacturing area. Office suites and floors and medical or consulting suites also appear around the town centre, supporting local services. North St Marys, Mount Druitt and Kingswood provide nearby comparisons.