| Place name (English): | Dießen am Ammersee |
| Place name (local language): | |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | municipality |
| Is in the area of: | Landsberg |
| Note: |
| 1 | Bertold III (-12 August 1204), Graf von Andechs, parents: Bertold II and Hedwig (von Wittelbach?) |