Etymology and distribution of 外岡.

Tonooka 【外岡】^{レベル5
About 3,000}  The Japanese surnames etymology dictionary.

Ehime-ken Kita-gun Uchiko-chou . Ehime-ken Kita-gun Uchiko-chou Distributed in Otsune- chu.

Sotooka 【外岡】^{レベル5
About 3,000}  The Japanese surnames etymology dictionary.

Oosaka-fu , Hiroshima-ken , Hyougo-ken .

① Aichi-ken Okazaki-shi Originated in Doi-machi. A place name with a record since the Warring States Period. The place name was also written as "Doi." Chiba-ken Katori-shi Komigawa Town is the lord of the Komigawa in the Clan Office, Azuchi Momoyama Period / Edo Period, Ibaraki-ken Jousou-shi Owa Town is the Otori Domain of the Clan Agency, Ibaraki-ken Koga-shi Sakuramachi is the Furukawa Domain , Chiba-ken Sakura-shi Castle town is the Sakura lord of the clan office, Fukui-ken Oono -shi Castle Town is the Oono lord of the clan office, Aichi-ken Nishio-shi Nishiki-machi is the clan lord of the Nishio lord, Aichi-ken Kariya - Shi castle town is the Kariya lord of the clan office, Mie - ken Toba - shi Toba was the Toba lordship of the clan office, Saga - ken Karatsu - shi Dongcheng interior was in the Edo era in the Karatsu lord of the clan government.

② Hyougo-ken Awaji-shi Originated from Doi of the lower figure of Kurushima.

③ Ehime-ken Shikokuchuuou-shi Doi Doichi (Doi) is a place name with a record since the Edo period. It is distributed in the same place.

④ Topography . A variant of 土居 . Shizuoka-ken Iwata-shi In Ohara tells that Tokugawa Ieyasu, a warrior of the Sengoku period, Azuchi-Momoyama period, Edo era, came during falconry and received a donation. Good neighbor . Yamaguchi-ken Ooshima-gun Suouooshima-chou There are distribution in Hika.