Radinio was a planet located in the Malica Universe, it was previously one of the worlds of the Terran Empire before its inhabitants were cut off from the Empire centuries ago, yet left with technologies and resources to continue a thriving civilization such as Traverse Town with a device that transported neighboring worlds that were threatened by the Heartless. In the events of the Malican War and the rise of the Empire of the Heartless, Radinio became one of the major worlds of the United Commonwealths of Worlds where it's former capital city of Radiant Garden became the capital of the new federal interstellar government.