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 Reverie. A queen of Ilusia from one hundred years ago was briefly mentioned during the anime-only Rainbow Mist Arc. A ship belonging to the Ilusia Kingdom is shown heading to the Reverie.