| Place name (English): | Karlsberg Castle |
| Place name (local language): | Schloss Karlsberg |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | building |
| Is in the area of: | Homburg (Saar) |
| Note: |
| 1 | Karl August Friedrich von Zweibrücken (2 March 1776-21 August 1794), parents: Karl August Christian and Maria Amalie Anna Josepha von Sachsen |