Etymology and distribution of 上井田.

Kamiida 【上井田】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Gifu-ken , Aichi-ken . Terrain . From pheasant and wild. Gifu-ken Gujou-shi Yamato-cho is based. Tell him that he is a pioneer and descendant of the fallen of the Heike in the same place. 平 Taira reference.