Etymology and distribution of 小海.

Kokai 【小海】^{レベル5
About 2,000}  The Japanese surnames etymology dictionary.

Tochigi-ken , Toukyou-to , Saitama-ken .

① Tochigi-ken Originated from Sayama in Nasu-gun. Period, location unknown. Ibaraki-ken Sashima-gun Sakai-machi Saruyama (Saruyama) is the place of comparison. Good neighbor . In Shiga-ken Kusatsu-shi Kikawa-machi tells that he lived around 1810 (7th year of culture) as Kawahori.

② Aomori-ken San'nohe-gun San'nohe-machi Origin of Serpentine Sayama. It is distributed in the same place.

※ Shimane-ken Yasugi-shi In Kamiyoshida-cho, tell Kyouto-fu Fukuchiyama-shi from Sayama (Sayama). Period, location unknown.

Koumi 【小海】^{レベル5
About 2,000}  The Japanese surnames etymology dictionary.

Yamanashi-ken , Toukyou-to , Kanagawa-ken . Yamanashi-ken Koufu-shi Birth of Rikiyoshi. A place name with a record since the Warring States Period. Yamanashi-ken Hokuto-shi Sudamachi In Fujita there is a belief that Mr. Satomi resigned from 1452 to 1455 (Kintoku year) from the southern part of Chiba-ken (Old Awa-kun) and was renamed. 里見 Satomi reference.