HR is the abbreviation for Croatia, the 124th largest country in the world. Officially the Republic of Croatia, Croatia is a country located in Balkans, bordering 6 countries – Bosnia and Herzegovina, Hungary, Italy, Montenegro, Serbia, and Slovenia. Zagreb is the capital city of Croatia. Major cities include Zagreb (population: 698,955), Split (population: 176,303), Rijeka (population: 141,161), Osijek (population: 88,129), Zadar (population: 71,247), Slavonski Brod (population: 60,731...