Etymology and distribution of 江胡.

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

Yamagata-ken , Ooita-ken . A variant of 大塚 . Yamagata-ken Higashiokitama-gun Kawanishi-machi Nishi Otsuka is a place name with a record since the warring days. It is distributed in the same place. Tell the story that it was also described as "Otsuga" in the Azuchi-Momoyama period. 大津賀 Ootsuga reference.