「Kuraoka」(くらおか)さんの名字の由来、語源、分布。

① Wakayama-ken Hidaka-gun Hidaka-chou Origin of Oshika (Onaka). A place name with a record since the Edo period. Nara-ken Yamatokooriyama-shi Castle town was in the Edo period in Koriyama Samurai of the Clan Office.

② Origin of Tochigi-ken Sano-shi Konaka-cho. Place name with a record since the North / South morning era.

③ Creation . Ishikawa-ken Nomi-shi In Nabetaya-cho, Mr. Osaka tells that he changed the name to "small" and renamed. Estimated in the Edo period. 大中 Oonaka reference.

2018年 3月 12日更新

Whole Japan		Prefectures
レベル	3	1　Yamaguchi-ken(About 80) 2　Ishikawa-ken(About 60) 3　Hiroshima-ken(About 30) 4　Kumamoto-ken(About 30) 5　Fukuoka-ken(About 20) 5　Ooita-ken(About 20) 7　Oosaka-fu(About 10) 8　Nagasaki-ken(About 10) 8　Okayama-ken(About 10) 8　Chiba-ken(About 10)
Population	About 300
Ranking	15,538

Rank by city
1　Yamaguchi-shi(About 30) 2　Hakui-gun Houdatsushimizu-chou(About 30) 3　Hiroshima-shi Asakita-ku(About 30) 4　Uki-shi(About 20) 5　Kahoku-shi(About 20) 5　Iwakuni-shi(About 20) 5　Saiki-shi(About 20) 8　Kasuya-gun Shime-machi(About 10) 8　Shimonoseki-shi(About 10) 8　Ube-shi(About 10)

Rank by subregion
1　石川県羽咋郡宝達志水町森本(About 20) 1　広島県広島市安佐北区落合(About 20) 3　大分県佐伯市津井浦(About 20) 4　熊本県宇城市松橋(About 10) 5　山口県岩国市麻里布町(About 10) 5　熊本県宇城市両仲間(About 10) 5　山口県山口市佐山小路(About 10) 5　広島県東広島市志和町冠(About 10)