Stony Stratford is a market town in Buckinghamshire and a constituent town of Milton Keynes, England. It is located on Watling Street, historically the Roman road from London to Chester. It is also a civil parish with a town council in the City of Milton Keynes. It is in the north-west corner of the Milton Keynes urban area, bordering Northamptonshire and separated from it by the River Great Ouse. In 2011 the parish had a population of 7736.