Hotels In Großarl Unterberg. Unterberg 76 großarl 5611 austria. The hotel kristall is in the grossarl in the village of unterberg. Hotel Auhof (Großarl) • HolidayCheck (Salzburger Land from www.holidaycheck.de Cancel free on most hotels. The district of unterberg has grown extensively over the past 30 years in. Here, you can unwind to your heart's