Mount Druitt is a suburb of Sydney, in the state of New South Wales, Australia. It is located 40 kilometres west of the Sydney central business district, in the local government area of the City of Blacktown. Mount Druitt is a major commercial and residential area, and is one of the most populous suburbs in the Greater Western Sydney region. The suburb is home to a large shopping centre, Westfield Mount Druitt, and is serviced by a number of public transport services, including the T1 Western Line of the Sydney Trains network. The suburb is also home to a number of schools, parks, and other amenities.