Macquarie Park is a suburb in northern Sydney, New South Wales, Australia. Macquarie Park is located 12 kilometres north-west of the Sydney central business district in the local government area of the City of Ryde. Macquarie Park is part of the Northern Suburbs region.Macquarie Park was part of the suburb of North Ryde until it was gazetted as a suburb in its own right on 5 February 1999, and many businesses still use North Ryde as the address. Both suburbs share the 2113 postcode but Macquarie University, which is located at the northern part of the suburb, has its own postcode of 2109.HistoryThe area between Parramatta and Lane Cove Rivers was originally known by its Aboriginal name Wallumatta. The Aboriginal name survives in a local park, the Wallumatta Nature Reserve, located at the corner of Twin and Cressy Roads, North Ryde.Macquarie Park is named for Governor Lachlan Macquarie (1762–1824), a British military officer and colonial administrator who served as the Governor of New South Wales from 1810 to 1821. The area that is now Macquarie Park was part of the suburb of North Ryde from the late 19th century. The area was once filled with market gardens, poultry farms and vast tracts of bushland, with many beautiful picnic spots and waterfalls.