Ilusia Kingdom or Ilisia Kingdom (イリシア王国 Irishia Ōkoku?) is a country in the West Blue where Thalassa Lucas reigns. Not much is known about this country except that it is affiliated with the World Government as its ruler was part of a Levely.
- One Piece Blue: Grand Data File (p. 70).
- One Piece Yellow: Grand Elements (p. 240).
- One Piece Manga and Anime — Vol. 16 Chapter 142 (p. 6) and Episode 91, Thalassa Lucas appears in Dalton's flashback.
- One Piece Anime — Episode 143, Rapanui claims Wetton's ring was stolen from the queen of Ilusia.
- One Piece Manga and Anime — Vol. 82 Chapter 823 (p. 7) and Episode 777.