Suffix used in castle names and place names derived from castles, e.g. 姫路城, 大阪城. Not a general word for 'castle'.
Himeji Castle is registered as a World Heritage site.
The keep of Nagoya Castle is a reconstruction.
An old fortress remains on the mountain.
impregnable castle; impregnable fortress · inner citadel; inner castle · Golden Castle; Nagoya Castle
lord of a castle; castle lord
castle town
long defensive wall; long fortification wall · Great Wall of China
fortress; stronghold; citadel
castle gate
old castle; old fortress
castle construction; fortification
inside a castle; within the castle · castle grounds; area within the castle walls
land near a castle; area below a castle · castle town
castle; fortress; citadel · castle walls; enclosure
famous castle; fine castle
entry into a castle; entering a castle
castle of a feudal lord; lord's residence castle
stronghold; inner citadel; bastion
surrender of a castle; capitulation of a fortress
attendance at a castle; going to the castle
royal castle; imperial castle
inside of a castle
nightless city; city that never sleeps
castle town; fortified town
castle keeper; chamberlain
holding a castle; holing up in a fortress · staying indoors; confinement to home
Imperial Palace (historical term)
fall of a castle; surrender of a castle · giving up; yielding; caving in
one's own domain; independent territory; being one's own master · one castle per domain; 1615 edict limiting castles
withdrawing from a castle; leaving a castle
imperial palace · capital city · Keijō (colonial-era name for Seoul)
inner castle; main keep; innermost enclosure
The kanji 城 means 'castle' or 'fortress'. The reading じょう is the on'yomi, commonly used in compound words and place names. The standalone noun use is rare and largely replaced by しろ.