CroatiaCroatia, officially the Republic of Croatia, is a sovereign state at the crossroads of Central Europe, Southeast Europe, and the Mediterranean.Zagrebnames in other languages) is the capital and the largest city of the Republic of Croatia. It is located in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain.Splitis the second-largest city of Croatia and the largest city of the region of Dalmatia.Dubrovnikis a Croatian city on the Adriatic Sea, in the region of Dalmatia.The Danubeis Europe's second-longest river, after the Volga River, and also the longest river in the European Union region. It is located in Central and Eastern Europe. Originating in Germany, the Danube flows southeast for 2,860 km (1,780 mi), passing through or touching the border of Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova and Ukraine before emptying into the Black Sea. Its drainage basin extends into nine more countries.The Savais a river in Central Europe, a right side tributary of the Danube. It flows through Slovenia, Croatia, along the northern border of Bosnia and Herzegovina, through Serbia, discharging into the Danube in Belgrade.The Dravais a river in southern Central Europe, which is an important tributary of the Danube. Its source is in Italian South Tyrol, at the drainage divide of Toblach/Dobbiaco in the Puster Valley/Val Pusteria. It flows eastwards through East Tirol and Carinthia in Austria into Slovenia for 142 kilometres (88 mi) and then southeast, passing through Croatia and forming most of the border between Croatia and Hungary, before it joins the Danube near Osijek.Dinarais a mountain located on the border of Bosnia and Herzegovina and Croatia. It has two major peaks: Troglav ("Threehead", 1913 m) and the eponymous Dinara (1831 m). The peak called Dinara is the highest peak of Croatia.