Etymology and distribution of 濱氏.

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

Kanagawa-ken , Fukuoka-ken , Gifu-ken . Originated from Fukuoka-ken Ogoori-shi (old: Mori gun). A place name with a record since the Nara period. The place name was also written as "Mihara".