10 Hygiea
From FenWiki
This is the busiest asteroid in the Main Belt, thanks to the Wizards choosing it as the home for their main facility, Hogsmeade, and their main school, Hogwarts.
This is the busiest asteroid in the Main Belt, thanks to the Wizards choosing it as the home for their main facility, Hogsmeade, and their main school, Hogwarts.