The Republic of Croatia is a member of the European Union and is made up of twenty counties. The three most significant provinces are Split-Dalmatia, Osijek-Baranja, and Zagreb. Situated in Southeast Europe, the country shares borders with Serbia, Slovenia, Hungary, and Bosnia and Herzegovina. Croatia, with a land size of 56,594 square kilometers, is the 26th largest nation in Europe. The majority of its climate is moderate and Mediterranean. With low mountains and highlands near the Adriatic coast and flat plains on the Hungarian border, the topography is varied. With a population of more than 4 million, it is among the least populated nations in the European Union. With about 804,000 residents, Zagreb, the nation's capital, is also the most populous city. Split and Primorje-Gorski come next. With 3,4 million passengers annually, Zagreb Airport (ZAG) is the biggest airport. Split Airport (SPU), which handles 3.3 million passengers annually, is the second-largest airport. Together, the two airports serve internal and international travel routes that link Croatia with the Middle East and the European Union. Roman, Byzantine, and Balkan cultures have all affected Croatian culture. The majority religion is Roman Catholicism. Croatian is the official language. The legal framework is founded on civil law, with an influence from the Austro-Hungarian ancestry... There is a parliamentary republican system of governance. The elected Prime Minister Andrej Plenkovic leads the government, while President Zoran Milanovic leads the state. The Croatian Kuna (HRK), which is the official currency, is currently worth 7.01 USD. With an open economy, the nation produces a GDP of about $78 billion. The per capita income of its people is $20,537. The two main industries that comprise the majority of the GDP are industry and services. With a 19.6% GDP contribution, the tourism sector is a significant one. Among the most significant export goods are machine equipment, chemicals, wheat, corn, barley, and sugar.Croatia is one of the world's top 20 most popular tourist destinations, enjoying great popularity among travelers. Throughout the nation, there are ten UNESCO World Heritage sites. Major locations include the Diocletian Palace, Hvar, Rovinj, Plitvice Lakes National Park, and Dubrovnik. The nation has a total of approximately over 19.7 million tourists visiting every year with the majority originating from Europe and its surrounding countries.