Etymology and distribution of 發坂.

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

Fukushima-ken , Ehime-ken , Yamagata-ken . Distribution including watabe. 渡辺 's variant. Tokushima - ken Itano - gun tells that Kitajima - chou renamed from Watanabe surname at Meiji New surname. Fukui-ken Fukui-shi Saying that it was also written as "Watanabe" in Sasaya town during the Edo period. Fukushima-ken Souma-shi Nakamura was a clan clerk of the Sakai Nakamura of the Clan government office, Ehime-ken Matsuyama-shi Marunouchi was in the Edo era in the Iyo Matsuyama clan of the clan government office.

※ Akita-ken Oga-shi Wadabe is a place name unknown in the record era. It is distributed in the same place.