Buckinghamshire (/ˈbʌkɪŋəmʃər/ or /ˈbʌkɪŋəmʃɪər/, abbreviated Bucks; archaically the County of Buckingham) is a ceremonial county in South East England. It borders Greater London to the south east, Berkshire to the south, Oxfordshire to the west, Northamptonshire to the north, Bedfordshire to the north east and Hertfordshire to the east.
More information on the Wikipedia page [1]