The kanji 城 primarily represents a "castle" or a "fortress." It signifies a fortified structure, a place built for defense and protection. It can also extend to represent the surrounding area of the castle, like the castle town. The essence is a place of security and control.

・On-yomi (音読み): ジョウ (jō) ・Kun-yomi (訓読み): しろ (shiro)

⚫︎ 大阪城 (おおさかじょう) Translation: Osaka Castle ⚫︎ 城壁 (じょうへき) Translation: Castle wall ⚫︎ お城 (おしろ) Translation: Castle (polite/casual)

The kanji 城 is a combination of two components. The left side is 土 (つち), meaning "earth" or "ground", which indicates the material used in constructing the castle's foundation. The right side is 成 (せい/なる), meaning "to become" or "to be completed." The combination suggests a structure "made of earth," signifying a place that is "built" or "completed" to create a defensive structure.