2025-08-11 00:00:00 This app is your ideal travel companion – it comes with the most important things to know for your family holiday in our apartments in the state of Salzburg. Download it now! THINGS TO KNOW FROM A TO Z Discover useful information about our Sonnberg Ferienanlage in Austria: Info about check-in/check-out, culinary highlights, offers for babies and children, site map, digital services, our hotel newspaper as well as the Flachau travel guide for your leisure activities.