Osceola is currently represented by the King himself, who's nickname is Osceola.
From its annexation, Osceola used to be a part of Uvenia, consisting of the front yard situated at the Royal Residence.
JISA collaboration
The space agency JISA, and specifically the Head Observer has used the town of Osceola as the main source for documentation of stars, moons, constellations, and more.