A tiny bathing spot right under the Old City. In summer, the café is opened near the city walls.
Wikipedia (Croatian) https://hr.wikipedia.org/wiki/Pla%25C5%25BEa_Bu%25C5%25BEa
Address 2 Od Kaštela, Dubrovnik 20000, Croatia
Coordinates 42°38'20.522" N 18°6'30.424" E