Doncaster is a large town in South Yorkshire, England, and the principal settlement of the Metropolitan Borough of Doncaster. The town is located about 20 miles (32 km) from Sheffield and is popularly referred to as "Donny". Doncaster has an international airport, and in recent years 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.