Etymology and distribution of 岩地.

Iwachi 【岩地】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Yamaguchi-ken . Variant of 歌田 . Tradition in Shimane-ken western part (formerly Iwami-kuni).

* In Hiroshima-ken western part (formerly Aki country), descendants of Takashi Takashi who is a warrior of the Kamakura period and the North-South morning period in the North-South morning era called from the place name of Utada near Hiroshima-ken Akitakata-shi (formerly Takada gun) To tell. Location unknown. 高 Kou reference.

※ There is a record in Hyogo-ken Northern area (formerly Tajima Country) in 1285 (Hiroshi 8 years).

Iwaji 【岩地】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Toyama-ken Shimoniikawa-gun Nyuuzen-machi , Saitama-ken · Ibaraki-ken . Toyama-ken Shimoniikawa-gun Nyuuzen-machi Originated from Usuin forest of Koinino . Toyama-ken Shimoniikawa-gun Nyuuzen-machi It is distributed in Aoki.