Relier Pairs Fun facts about CroatiaVersion en ligne Quiz about Croatia par Ant Dord 1 The smallest town in the world. Only 23 people live there. 2 The longest fortification (wall) in Europe. 3 The smallest Croatian island on which people live. 4 A city of four rivers. 5 The largest river in Croatia. 6 A nature park, one of the largest and most beautiful wetlands in Europe. More than 250 different kinds of birds and more than 40 different kinds of fish live there. 7 The rarest plant in Croatia. It grows on Velebit. 8 People say that it's the centre of the world. 9 The longest river in Croatia. 10 Home to world's first Sea Organ. The waves and wind make music. Zadar Hum Ludbreg degenija Kopački Rit Krapanj the River Kupa Karlovac Ston the Danube