Etymology and distribution of 久城.

Kushiro 【久城】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

Chiba-ken , Kanagawa-ken , Fukushima-ken Iwaki-shi . Chiba - ken Sanmu - shi Tell him that in the Uchijido, he changed his name from Fuse 's surname in the late Edo period. 布施 Fuse reference.

* Tottori-ken Tottori-shi Higashi - cho was in the Edo period with the notation of "Koshima" at the Tottori Samurai of the Clan Office. It is unknown whether Kohshima exists.

Kujou 【久城】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

Toukyou-to Kita-ku , Chiba-ken . Hyougo-ken Tatsuno-shi Originated from Nakano- cho Nakano- cho (old: Chiba ). A place name with a record since the Nara period. Toukyou-to Kita-ku Tradition in the Takino River. It is based in the same place.