Buckinghamshire is an inland county in central England, bounded on the north by Northamptonshire, on the east by Bedfordshire, Hertfordshire, and Middlesex, by the Thames on the south, by Berkshire on the southwest and by Oxfordshire on the west. Its area is 749 square miles.
The principal rivers of the county are the Thames, Ouse, Ousel, and Colle. The Chiltern Hills are found in the east central part of the county. The vale of Aylesbury, in the center, is one of the most fertile districts of England. Buckingham is the county seat, and Aylesbury is the chief commercial center. Other towns are Wycombe, Amersham, Risborough, and Wendover.