Buckinghamshire

Buckinghamshire (, abbreviated Bucks) is a ceremonial county in South East England. It is bordered by Northamptonshire to the north, Bedfordshire to the north-east, Hertfordshire to the east, Greater London to the south-east, Berkshire to the south, and Oxfordshire to the west. The largest settlement is the city of Milton Keynes.

breed of domesticated duck

flag of English county

unitary authority (doesn't include Milton Keynes)