Etymology and distribution of 小洞.

Kobora 【小洞】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Niigata-ken , Toukyou-to .

① There is 重野 surname. Niigata-ken Nagaoka-shi board maker was the Edo era in the Edo era in the Edo period of the Edo shogunate of the government agency, Toukyou-to Chiyoda-ku Chiyoda, the clan folk clan of the clan government office.

② Oosaka-fu Sen'nan-gun Misaki-chou Originated from the Shigano Valley of Takako's small character.

③ Topography . "Wild" was added to Shigeru which is the first surname of the Amami archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 茂 Shige reference.

Kodou 【小洞】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Toyama-ken Toyama-shi · Gifu-ken Seki-shi . Estimated from three surpassing. Toyama-ken Toyama-shi Distributed in Tanaka-machi.