「Tokuoka」(とくおか)さんの名字の由来、語源、分布。

Hyougo-ken Koube-shi Suma-ku. Korean type . Hyougo-ken Koube-shi Sumaku-ku naturalized on 15th September 2004. Zheng the real name. 鄭 Tei reference.

2018年 9月 3日更新

Whole Japan		Prefectures
レベル	3	1　Hiroshima-ken(About 40) 2　Oosaka-fu(About 10) 3　Hyougo-ken(Very rare)
Population	About 60
Ranking	41,097

Rank by city
1　Higashihiroshima-shi(About 30) 2　Hiroshima-shi Asakita-ku(About 10) 3　Sakai-shi(Very rare) 3　Hirakata-shi(Very rare) 3　Amagasaki-shi(Very rare)

Rank by subregion
1　広島県東広島市安宿(About 20) 2　広島県東広島市西条町土与丸(About 10)

Etymology and distribution of 土久岡.