The city of Oxfordshire is in South-East England and borders Warwickshire to the north-west , Northamptonshire to the north-east , Buckinghamshire to the east , Berkshire to the south , Wiltshire to the south-west and Gloucestershire to the west .
Oxfordshire ( or ; often abbreviated Oxon from Oxonium , the Latin name of the city and county of Oxford ) is a county in England .
Oxfordshire