 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.