Etymology and distribution of 戸井川.

Toikawa 【戸井川】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Ooita-ken . Thing . From flowers and shrines. Ooita-ken Ooita-shi Ino is headquartered.

Toigawa 【戸井川】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Shizuoka-ken , Nagano-ken , Gifu-ken .

① Topography . From flowers and villages. In Shimane-ken west (formerly Iwami-kun), it is said that from Nagano-ken and Morioka in Kawanakajima warranted from Hirose surname from Takeda Shingen from 1558 to 1570 (Year of the year). 広瀬 Hirose reference. Shizuoka-ken Shizuoka-shi Aoi-ku It was in the Edo period in Baba-cho. In the same place the surname was also written as "Hua Village". Nagano-ken Adzumino-shi , Gifu-ken Hashima-shi It was in the Edo era in Masakicho Minami . Miyazaki-ken Miyakonojou-shi From Hanamura gate of the gate division system which was in the confectionary town in the Edo period. Good neighbor . Shizuoka-ken Hamamatsu-shi Kasuga-cho Naka-ku, Shizuoka-ken Hamamatsu-shi Distribution in Tomiyoshicho Naka-ku.

② Ishikawa-ken Kashima-gun Nakanoto-machi Origin of the cherry - blossom viewing moon. Place name recorded in the notation of "Hanami Tsutsu" in the Northern and Morning era. "Hanami" Using the "flower" of the moon.