See all Things to do in Karlovac Karlovac for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Karlovacki Dani Piva About Karlovacki Dani Piva, [1]. end of August. Annual beer festival. The most crowded place at that time of summer, with various folks around. You can grab a beer and pretzel and see if there's a music which suits you. Add to Wish List