Official nameRepublika Hrvatska (Republic of Croatia)CapitalZagrebPopulation estimate (2015)4·24 millionInternet domain extension.hrCurrencyThe unit of currency is the kuna (HRK), which consists of 100 lipa.TerritoryCroatia is bounded in the north by Slovenia and Hungary, in the east by Serbia and Bosnia and Herzegovina and in the south-east by Montenegro.LanguageThe official language is Croatian.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words