Claydon is a village in Claydon with Clattercot civil parish, about 6 miles (10 km) north of Banbury in Oxfordshire. The village is about 417 feet (127 m) above sea level on a hill of Early Jurassic Middle Lias clay. The village is the northernmost settlement in Oxfordshire and as such is also the northernmost settlement in the entire South East England region. The parish is bounded by Warwickshire to the west and Northamptonshire to the east. The 2011 Census recorded the parish's population as 306.