summer festival of opera and classical music in Isny im Allgäu,Germany
- Where
- Isny im Allgäu, Germany
- Running since
- 1989
summer festival of opera and classical music in Isny im Allgäu,Germany
summer festival of opera and classical music in Isny im Allgäu,Germany
summer festival of opera and classical music in Isny im Allgäu,Germany