Hughenden Manor is a red brick Victorian mansion, located in High Wycombe, Buckinghamshire, England. In the 19th century, it was the country house of the Prime Minister, Benjamin Disraeli. Today, it is owned by the National Trust and fully open to the public.
During the Second World War, Hughenden Manor was used as a secret intelligence base code-named "Hillside". The UK Air Ministry staff at the manor analysed aerial photography of Germany and created maps for bombing missions, including the famous "Dambusters" raid.