Charndon is a hamlet

Hamlet (place)

A hamlet is usually a rural settlement which is too small to be considered a village, though sometimes the word is used for a different sort of community. Historically, when a hamlet became large enough to justify building a church, it was then classified as a village...

 and civil parish in the Aylesbury Vale

Aylesbury Vale

The Aylesbury Vale is a large area of flat land mostly in Buckinghamshire, England. Its boundary is marked by Milton Keynes to the north, Leighton Buzzard and the Chiltern Hills to the east and south, Thame to the south and Bicester and Brackley to the west.The vale is named after Aylesbury, the...

 district of Buckinghamshire

Buckinghamshire

Buckinghamshire is a ceremonial and non-metropolitan home county in South East England. The county town is Aylesbury, the largest town in the ceremonial county is Milton Keynes and largest town in the non-metropolitan county is High Wycombe....

, England.

The hamlet's toponym

Toponymy

Toponymy is the scientific study of place names , their origins, meanings, use and typology. The word "toponymy" is derived from the Greek words tópos and ónoma . Toponymy is itself a branch of onomastics, the study of names of all kinds...

 combines Brythonic

British language

The British language was an ancient Celtic language spoken in Britain.British language may also refer to:* Any of the Languages of the United Kingdom.*The Welsh language or the Brythonic languages more generally* British English...

 and Old English origins, as is common with other places in this part of the country (see, for example, Brill

Brill

Brill is a village and civil parish in Aylesbury Vale district in Buckinghamshire, England, close to the boundary with Oxfordshire. It is about north-west of Long Crendon and south-east of Bicester...

 and Bow Brickhill

Bow Brickhill

Bow Brickhill is a village and civil parish in the Borough of Milton Keynes, Buckinghamshire, England. It is a short distance south east of Milton Keynes itself....

). It means "cairn hill", cairn being a Celtic word for a ceremonial hill or pile of stones. The Domesday Book

Domesday Book

Domesday Book , now held at The National Archives, Kew, Richmond upon Thames in South West London, is the record of the great survey of much of England and parts of Wales completed in 1086...

 of 1086 records the hamlet as Credendone.

Within the hamlet of Charndon is the Charndon Grounds estate, once the site of a large country house

English country house

The English country house is a large house or mansion in the English countryside. Such houses were often owned by individuals who also owned a London house. This allowed to them to spend time in the country and in the city—hence, for these people, the term distinguished between town and country...

.