城内 じょうない Meanings Noun inside of a castle area surrounded by castle walls Kanji 城 castle. Read as ジョウ. 内 inside. Read as ナイ. Example sentences この方が私達のために城内を案内してくれた人です。This is the guide who took us around the castle. Common phrases 城内に入る 城内にある Jinuma: Japanese Dictionary · Word lists