Historically called the mainland 森土, Mori is the largest and most populous island in the island chain that is Asuka 飛鳥島.It is south of the feared Tengu islands, an infamous haven for pirates, north west of the island of Higa, west of the island of Shizen and south west of the island of Kita.

The modern capital is Cho-Sen 朝鮮bordering both the southern sea and the pearl inlet. The ancient capital was called Zogen-Kyo 蔵源京.