茨城県[ibarakiken] Ibaraki prefecture (Kantou area)
王城[oujou] royal castle
下城[gejou] withdrawing from the castle
牙城[gajou] stronghold (esp. of an enemy or opponent)
開城[kaijou] capitulation (of fort)

宮城[kyuujou] Imperial Palace
宮城県[miyagiken] Miyagi prefecture (Tohoku area)
傾城[keisei] beauty
堅城[kenjou] strong fortress
古城[kojou] old castle

メディア王[mediaou] media mogul
愛染妙王[aizenmyouou] Ragaraja
烏芻沙摩妙王[ususamamyouou] Ususama Vidya-raja
王位[oui] the throne
王化[ouka] imperial influence

王家[ouke] royal family
王冠[oukan] crown
王宮[oukyuu] royal palace
王権[ouken] royalty
王国[oukoku] kingdom