9. Hvar, Croatia
European bigwigs, heirs, and heiresses head to the glamorous Croatian island to party for obvious reasons. This lovely party destination is the most popular in the Adriatic due to the young crowd and relatively cheaper prices. The trendy bars in Hvar are worth spending your money and time at.
Then, there are exquisite family run wineries, stunning beaches, magnificent fortresses, dazzling ornamented Gothic palaces and traffic-free marble streets to be explored and wander about. May to September is the peak season in Hvar, however, August is the busiest with a large influx of Italian tourists. July is just the right time to enjoy the hip party scene of Hvar that the world is gushing about.