Syresham is a village and civil parish in the English district of South Northamptonshire. It is near Brackley town and close to Silverstone Circuit. It is surrounded by villages and hamlets such as Biddlesden, Whitfield, Northamptonshire, Helmdon, Silverstone and Wappenham, and the border with Buckinghamshire lies just to the south of the village. The border itself is defined by the River Great Ouse, which rises within the parish. There are two small hamlets in the parish: Crowfield and Pimlico.