Etymology and distribution of 古渕.

Kobuchi 【古渕】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Shizuoka-ken Fujinomiya-shi . Department surname, 藤原 surname. 治部 Jibu reference. 藤原 Fujiwara reference.

Furubuchi 【古渕】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Miyazaki-ken .

① Topography . A variant of 山本 . Kagoshima-ken Kagoshima-shi Shiroyama-machi was in the Edo era in the Kagoshima Samurai of the Clan office. From the Yamamoto gate of the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Satsumasendai-shi Hibi-machi Ichino, Kagoshima-ken Aira-shi Nishigomeka, Kagoshima-ken Kanoya-shi Daarara Town, Kagoshima-ken Kimotsuki-gun Kimotsuki-chou Shimoda, Miyazaki-ken Miyazaki-shi Takaoka Town Urayano. Kagoshima-ken Shibushi-shi Yamamoto residence in Ariake Town Nodaikura. Good neighbor . Gifu-ken Fuwa-gun Tarui-chou base is based.

② Topography . Ryukyus shape of 山本 . It was in the Okinawa-ken period during the Ryukyu Kingdom. The Ryukyuan sound is Yamamutu.

③ Korea type . Summary . A variant of 山本 . There is a record of naturalization on Aomori-ken Mutsu-shi (formerly Shimokita gun Ohata-cho) on September 24, 1983. Choi is the real name. 崔 Sai reference.