Doncaster is a town in South Yorkshire, England and the principal settlement of the Metropolitan Borough of Doncaster. The town is located approximately twenty miles from Sheffield and is popularly referred to by some of its residents as Donny. Doncaster has a new International airport and its centre has undergone regeneration including the development of an Education City campus, currently the largest education investment of its kind in the UK. Doncaster has also recently extended the Frenchgate Centre, a shopping centre and transport interchange. According to the 2001 census the urban sub-area of Doncaster had a population of 67,977 - together with Bentley, Armthorpe and Kirk Sandall it forms an urban area with a population of 127,851. The wider Metropolitan Borough has a population of around 290,000.