In 'The Haunting of Bly Manor', the use of the manor as a focal point for hauntings is a real - story element. There are numerous real - world examples of old buildings, especially manors, being considered haunted. Also, the idea of the ghosts being tied to the place due to unfinished business is a common trope in true - story based hauntings. The show uses this idea as the ghosts in Bly Manor seem to be there because of things that happened to them in the past, like Flora's previous nanny. This sense of a connection between the past events and the present hauntings is often seen in real - life accounts of haunted places.
Well, the setting of an old, isolated manor is often a part of real - life haunted - place stories. Also, the concept of a tragic past associated with the place, like deaths and unrequited love, which is seen in 'The Haunting of Bly Manor', can be found in some true - story accounts. For example, there are stories of old estates where people died under mysterious circumstances and then there are reports of hauntings. In the show, the manor has a history filled with such tragedies that fuel the hauntings.