The Northern Suburbs (also known as Central North, Inner Northwest, Macquarie District, Ryde District and Northern District) is the metropolitan area on the northern bank of the Parramatta River in Sydney, New South Wales, Australia east of West Pennant Hills and west of the Lane Cove National Park, south of Hornsby. This area includes suburbs in the local government areas of Hornsby Shire, The Hills Shire, City of Ryde, City of Parramatta and Municipality of Hunters Hill.