Etymology and distribution of 中桶.

Nakaoke 【中桶】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Kanagawa-ken , Saitama-ken , Toukyou-to . A variant of 広沢 .

※ Korean type . Terrain . "Sawa" was added to "Hiroshi" including yellow. Chiba-ken Tateyama-shi , Toukyou-to Hachiouji-shi , Toukyou-to Itabashi-ku There is a record of naturalization on November 11, 1966. The real name is yellow. 黄 Kou reference.