Etymology and distribution of 海城.

Kaijou 【海城】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Shiga-ken , Akita-ken , Hokkaidou .

① Topography . From Katsura and. Shiga-ken Imazu town is based in Takashima-shi . Akita-ken Yamamoto-gun Fujisato-machi It is based on kairei . Toyama-ken Nakaniikawa-gun Kamiichi-machi It was in Kakizawa during the Azuchi-Momoyama period. Fukui-ken Fukui-shi It was in Warring States period in Shiroodonochi Town. Tell him that he changed his name from the previous surname in the same place. The front wave was also written as "front wing". 前波 Maenami reference. 前羽 Maeba reference.

② Topography . Iwate-ken Ichinoseki-shi I tell him that in the Edo period Mr. Katsura called from the field. 桂 Katsura reference.