The division is in the outer western suburbs of Sydney, and includes Cambridge Park, Cambridge Gardens, Castlereagh, Claremont Meadows, Cranebrook, Emu Plains, Glenmore Park, Jamisontown, Kingswood, Leonay, Llandilo, North St Marys, Oxley Park, Penrith, Regentville, St Marys, South Penrith, Werrington, Werrington County, Werrington Downs and parts of Agnes Banks, Luddenham and Wallacia.