Gosford is a city located on the Central Coast of New South Wales, Australia, approximately 76 km north of the Sydney central business district. The city is situated at the northern extremity of Brisbane Water, an extensive northern branch of the Hawkesbury River estuary and Broken Bay.
The city is the administrative centre of the Central Coast region, which is the third largest urban area in New South Wales after Sydney and Newcastle. Gosford is considered a major commercial centre of the Sydney Metropolitan Area, and has been designated as an important growth centre under the NSW Metropolitan Strategy. The city's population was 155,271 in the 2006 census.