the fictional estate of the character Maxim de Winter, and it plays a central part in Daphne du Maurier's 1938 novel, Rebecca, and in the film adaptation by Alfred Hitchcock.
Located in southern England (often said to be Cornwall as this was where the author lived and was explicitly stated as such in the Hitchcock adaptation), Manderley is a typical country estate: it is filled with family heirlooms, is run by a large domestic staff and is open to the public on certain days.
Last night I dreamed I went to Manderley again. It seemed to me I stood by the iron gate leading to the drive, and for a while I could not enter, for the way was barred to me.