References
- City of Spalt, Germany
- City of Szolnok, Hungary
- City of Tübingen, Germany
- City of Wolgast, Germany
- Clinic Oberstdorf, Germany
- Conference Center Zell am See, Austria
- Cooperation 'Best of the Alps'
- Cooperation 'Best Wellness Hotels'
- Cooperation 'Castle Hotels and Manor Houses', Italy
- Cooperation 'Family Austria', Austria