Etymology and distribution of 團井.

Dan'i 【團井】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Yamagata-ken Nishimurayama-gun Asahi-machi , Gifu-ken , Ooita-ken Kunisaki-shi .

① Yamagata-ken Nishimurayama-gun Asahi-machi is based in Miyajuku.

② Ooita-ken Kunisaki-shi Musashi-cho Ogi is based.

③ Hyougo-ken Awaji-shi Originated from the gravitation of the grass of Geka .

④ Korea type . Terrain . Add 'Hara' to the formation. There is a record of naturalization on Saga-ken Karatsu-shi (formerly Higashi Matsuura-gun Shinxi Town) on December 9, 1960. Last name is composition. 成 Sei reference.