Chichester Castle stood in the city of the same name in West Sussex (grid reference SU863052). Shortly after the Norman Conquest of England, Roger de Montgomery ordered the construction of a castle at Chichester. The castle at Chichester was one of 11 fortified sites to be established in Sussex before 1100. The Rape of Chichester, a subdivision of Sussex, was administered from the castle and was split off from the larger Rape of Arundel; a Rape was an administrative unit originating in the Saxon era and continued by the Normans. Situated in the north-east corner of Chichester, the castle was protected by the city walls. As it was an urban castle inserted into a pre-existing settlement, buildings were probably cleared to make way for the castle. Chichester Castle was of timber construction;