Etymology and distribution of 竜岩.

Tatsuiwa 【竜岩】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Ooita-ken .

① Topography . Added 'Village' to Kamoshima-ken 's Amami archipelago 's first surname. Estimated at the time of returning to Japan in 1953. 利 Toshi reference.

② Ooita-ken Kunisaki-shi Distributed in Yokote, Kunisato-cho.

③ Korea type . There was a record of naturalization on Osaka-fu Yao-shi on January 12, 1979, July 4, 1979. The real name is Li. 李 Ri reference.