Etymology and distribution of 火丸.

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

Nagano-ken , Toukyou-to , Niigata-ken .

① Topography . From the shrine and the ridge. Nagano-ken Nagano-shi , Ishikawa-ken Kanazawa-shi Marunouchi was in the Edo period in the Kaga clan in the Clan Office. Nagano-ken Kamiminochi-gun Shinano-machi I tell you that it is a pioneer in Kashiwabara. Hiroshima-ken tells me that he renamed after calling Miyaei from Dragon King Company of Ryuu Yamashiro who was in Hiroshima-ken Kure-shi Aga Nakao. Estimated in the Kamakura period. 宮 Miya reference.

② Hyougo-ken Awaji-shi Originated from Miyanoo, a small figure of Kisogami.