| Ubi Sea Region | |
|---|---|
 | |
| Kanji | ウビ海城 |
| Rōmaji | Ubi kaiiki |
| Characteristics | |
| Located In | Amawakuni |
| Controlled By | N/A |
| Media | |
| Manga Debut | Chapter 195 |
Ubi Sea Region (ウビ海城 Ubi Kaiiki) is a dangerous region as stated by Yataka where a lot of ancient creatures lives. Its surrounding territories consist of: Isora's territory, Ano; Ikisu's territory, Iyo and Ameeno's territory, Chiwaya.
Creatures living around the area[]
Ancient fish
Archaeopteryx