- Name: Caledon Cavendish
- Owner: Desmond Shang
- Founders: Edwina Heron, Elizabeth Morganrote
- Current Duchess: Eleanor Brentano
- Rating: Mature
- Announced: Wasn't
- Opened: August 19, 2008
- Closed: January 21, 2011
- Project: The Independent State of Caledon
- Region: N/A
- Theme: Duchy of Caledon Cavendish.
- Major Landmarks:
Cavendish was founded as the Marquisates of East and West Cavendish. When these were both transfered to Eleanor Brentano they were incorporated into a single Duchy.