Etymology and distribution of 弘浜.

Hirohama 【弘浜】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Nagano-ken Nagano-shi , Saitama-ken , Saga-ken .

① Topography . From Yanagi and island like land. Nagano-ken Nagano-shi Inari satoyamaki, Saitama-ken Hanyuu-shi It was in Shimoda during the Edo period. Saitama-ken Souka-shi Yanagishima-machi, Fukuoka-ken Yame-shi Yanagijima (Yanagima) is a place name with a record since the Edo period.

② variant of 柳嶋 . Niigata-ken Sado-shi Distributed in Yoshii Hongo.

③ Korea type . Terrain . Add 'Island' to Yanagi. Toukyou-to Koutou-ku has a record of naturalization on November 18, 1965. Well ye are willow. 柳 Yanagi reference.