Astral World

The Astral World (アストラル世界) is an alternate dimension located outside Earth where species known as the Astral Spirits and Astral Creatures reside in. It's the main location of the 88 Arc.

History
Charlotte is the one who created the Astral World for the purpose of the stars to prosper. She made Astral Spirits to rule at least one constellation.

Geography


The location is divided into different regions (some may be apart from each other). Here is the list of regions and their indicated color according to the map above.
 * Zodiac Family (white)
 * Ursa Major (blue)
 * Perseus (red)
 * Hercules (green)
 * Orion (orange)
 * Heavenly Waters (cyan)
 * Bayer (yellow)
 * La Calle (pink)

Trivia

 * Once a human (or a band of humans) can't get out of the Astral World unless they face all eighty-eight challenges.
 * The PIA idols were the first humans (along with some non-human characters) to enter the Astral World.