Etymology and distribution of 龍堀.

Tatsubori 【龍堀】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Okayama-ken , Hokkaidou , Toyama-ken .

① There is a man's name including "Friend". Okayama-ken is based on the Kiyone of Souja-shi . Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period. Ooita-ken Nakatsu-shi Ichinomiyu Town Ichinomiyuen tells that Ichigo Castle was built by Mr. Tomizugi in the Muromachi Period and also called the middle family name. 中間 Nakama reference.

② Toyama-ken Toyama-shi birthplace of cosmetics. A place name with a record since the Warring States Period.