They organised the state into two duchies by the 9th century.
Tomislav became the first king by 925, elevating Croatia to the status of a kingdom.
), is a country situated at the crossroads of Central and Southeast Europe, on the Adriatic Sea.
Internal sources produce a significant portion of energy in Croatia; the rest is imported.After the war, Croatia became a founding member and a federal constituent of the Socialist Federal Republic of Yugoslavia, a constitutionally socialist state.On 25 June 1991, Croatia declared independence, which came wholly into effect on 8 October of the same year.Croatia provides a social security, universal health care system, and a tuition-free primary and secondary education, while supporting culture through numerous public institutions and corporate investments in media and publishing.The name of Croatia derives from Medieval Latin Croātia.
The Kingdom of Croatia retained its sovereignty for nearly two centuries, reaching its peak during the rule of Kings Petar Krešimir IV and Dmitar Zvonimir.