The royal prison was a prison in Sundari, Mandalore. It was suspended from the ceiling of the city's bio-dome. Duchess Satine Kryze was imprisoned here when she attempted to expose Prime Minister Almec's black market conspiracy, and again during Death Watch's coup.
- Star Wars: The Clone Wars – "The Academy" (First appearance)
- Star Wars: The Clone Wars – "Shades of Reason"
- Star Wars: The Clone Wars – "The Lawless"
- Darth Maul—Son of Dathomir, Part One (Indirect mention only)
- (First identified as Royal prison)