St Marys, New South Wales

St Marys is a suburb in western Sydney, in the state of New South Wales, Australia. It is 45 kilometres (28 mi)west of the Sydney central business district, in the local government area of the City of Penrith.

St Marys sits between South Creek which forms the western boundary and Ropes Creek, its eastern boundary. The Western train line splits the suburb into northern and southern halves. The northern portion of St Marys/Dunheved is abundant with trade (especially automotive), manufacturing, waste processing, and storage centres, yet also contains a leagues club. In contrast, the southern end of St Marys is a commercial and residential hub, with Queen Street functioning as the 'main street' retail district alongside separate shopping centres, a town square, a swimming pool, community centres, sports fields, and schools.