Urban castles were particularly important in controlling centres of population and production, especially with an invading force, for instance in the aftermath of the Norman Conquest of England in the 11th century the majority of royal castles were built in or near towns.
šato tan win iɣirman aqqalan a olaɣan dagh iji n anniyat i tamazduq n išaɣib id immuk nasan assahat hullan daɣ anafaz daɣ ilmital idiršan n araman wa ijjan Norman tan i Britania ɣur awatay wan 1100, Ijjit n šato tan rayis ikrasnat daɣ meɣ edes n iɣirman