Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Vienna (49% of total searches to Donau). The next most popular destinations are Budapest (40%) and Belgrade (9%). Searches for hotels in Bratislava (2%) are also popular.
KAYAK users have found double rooms in Donau for as cheap as $27 (Vienna) in the last 3 days. The average price is $197.
In the last 72 hours, users have found Donau hotels for tonight for as low as $67 (Bratislava). Users have also found 3-star hotels from $67 (Bratislava) and 4-star+ hotels from $142 (Bratislava).