Castle of Gisors is a former château-motte, built between the late 11th and 11th centuries.
The castle, built on a motte castrale*, consists of a circular keep added to an existing fortress.
The castle was a key fortress of the Dukes of Normandy in the 11th and 12th centuries.
*A motte-and-bailey castle is a European fortification with a wooden or stone keep situated on a raised area of ground called a motte, accompanied by a walled courtyard, or bailey, surrounded by a protective ditch and palisade.