Chaleydonia, also known as the Crystal City, was the capital city of the planet Christophsis. It was made out of organic crystal construction. Count Dooku and Asajj Ventress had their final confrontation here.
- Star Wars: The Clone Wars – "The Hidden Enemy"
- Star Wars: The Clone Wars film (First appearance)
- Star Wars: The Clone Wars – "Clone Cadets" (Appears in flashback(s))
- Star Wars: The Clone Wars – "Grievous Intrigue" (Appears in flashback(s))
- Dark Disciple
- Dark Disciple audiobook
- Star Wars: The Visual Encyclopedia (First identified as Chaleydonia)
- Star Wars: On the Front Lines
- Collapse of the Republic (First identified as Crystal City)
- (Indirect mention only)