Southam is a small market town and civil parish in the Stratford-on-Avon district of Warwickshire, England. Southam is on the River Stowe (called 'The Brook' by many locals), which flows from Napton-on-the-Hill and joins Warwickshire's River Itchen at Stoneythorpe, just outside the town. The town is about east of Leamington Spa, about from Rugby and Daventry, south of Coventry and north of Banbury.