Flaunden is a village and civil parish in Hertfordshire, England, close to the border with Buckinghamshire, on the edge of the Chiltern Hills.

Old Flaunden was on the banks of the River Chess, but owing to constant flooding, the settlement moved up the hill to its present location in the 18th and early 19th century.

[2] Old Flaunden was on the banks of the River Chess in, but owing to constant flooding and disease, the villagers began to move up the hill to the present location during the 18th century.

[3] The old church was abandoned in 1838 and is in the form of a Greek cross dating from about 1230; it is now a ruin with remnants of walls up to 5 feet (1.5 m) high in a wood by the river.

It is now a private residence but the chapel's graveyard remains alongside.<[6] Flaunden has two pubs: The Bricklayers Arms[7] and The Green Dragon, a Grade II listed building dating from the early 17th century[8] which is on the Campaign for Real Ale's National Inventory of Historic Pub Interiors.