Which is the most haunted place in Germany?

The most haunted place in Germany is said to be Burg Frankenstein Castle in the Odenwald region of Hesse. The castle was built in the 13th century and is associated with the legend of Frankenstein's monster. It is said that the castle is haunted by the ghost of Johann Konrad Dippel, a 17th-century alchemist who was known for his experiments on corpses. Dippel was said to have been killed by a creature he had created.