Nutari-no-ki(渟足柵) was said a defencive and administrative facility of Yamato seiken, Japanese first national government to protect incursion of their enemies called Emishi who lived in Tohoku .
It is said to located in somewhere Higashi ward by 7th century, but its exact location and how it looks like are still unknown.
Higashi ward government hold the searching project of Nutrai-no-ki.
