Banburyshire is an informal (approximately 20 mile) area (52°03′46″N 1°20′17″W / 52.06278°N 1.33816°W / 52.06278; -1.33816Coordinates: 52°03′46″N 1°20′17″W / 52.06278°N 1.33816°W / 52.06278; -1.33816) of England that is centred on the market town of Banbury.