Divine Nation of Eashen

Eashen (Ishen, イシェン) is a major location within the series. Kokonoe Yae is from a place called Oedo, which (in the real world) is pervious name of Tokyo, until the Meiji reform.

Information
Eashen is a country composed 4 big islands and its located in the east from the Kingdom of Belfast.

It's confined kingdom is located in the north of the Nokia Kingdom, in the east of the Yulong, The Heavenly Empire of Heaven, and in the Southwest of the Horn Kingdom

Trivia

 * Eashen can be considered the counterpart of Japan as stated in the afterword by Fuyuhara Patora in the afterword of volume 3 of the light novel.