Etymology and distribution of 広長.

Hironaga 【広長】^{レベル4
About 500}  The Japanese surnames etymology dictionary.

森畠 Morihata reference.

Hirochou 【広長】^{レベル4
About 500}  The Japanese surnames etymology dictionary.

Saga-ken , Fukuoka-ken , Kagoshima-ken .

① 守永 There surname. Saga-ken Kashima-shi Takahiro / Takatsuhara was in the Edo period in the Kashima clan of the clan office.

② Personal name . Fukui-ken Fukui-shi Tell the story of the forest president "Morinaga" as "forever" by Mr. Shibuya Maonori (Morinaga) after the fall of 1573 (the first year of Tensho) of the first riding valley which was in the castle noonachi cho. 柴谷 Shibaya reference.

③ Topography . From Morinaga gate system which was in the Edo period. An example of the location of the gate. Kagoshima-ken Satsuma-chou Natsugawa , Kagoshima-ken Aira-shi Nishigomeka, Kagoshima-ken Aira-shi Funatsu, Kagoshima-ken Tarumizu-shi City Wood, Kagoshima-ken Kanoya-shi Teru Kita- machi Suwa - bara , Miyazaki-ken Kobayashi-shi Hosono. The gate name comes from "forever" of the forest and the favorite character.

④ Hiroshima-ken Yamagata-gun Kitahiroshima-chou Originated from Morinaga in Somori's small character.