Etymology and distribution of 廣渕.

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

Kanagawa-ken , Toukyou-to , Nagano-ken Hanishina-gun Sakaki-machi . 谷田部 There are surname.

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

Ibaraki-ken , Tochigi-ken , Toukyou-to .

① Ibaraki-ken Tsukuba-shi Birth of Yatabe Department. The name of a place with a record in the notation of "eight parts" during the Heian period.

② Ibaraki-ken Higashiibaraki-gun Ibaraki-machi Birth of Yatabe Department . The name of a place with a record in the notation of "eight parts" during the Heian period.