Croatia, officially the Republic of Croatia, is a country in Southeast Europe, at the crossroads of the Pannonian Plain, the Balkans, and the Mediterranean Sea. Its capital (and largest city) is Zagreb. Croatia borders Slovenia and Hungary to the north, Bosnia and Herzegovina to the so utheast, and Serbia and Montenegro to the east. The Croats arrived in the early seventh century in what is Croatia today. They organized the state into two dukedoms. The first king, Tomislav I was crowned in AD 925 and Croatia was elevated into a kingdom. The Kingdom of Croatia retained its sovereignty for almost two centuries, reaching its peak during the rule of Kings Petar Krešimir IV and Zvonimir. Croatia entered a personal union with Hungary in 1102. In 1526, the Croatian Parliament elected Ferdinand from the House of Habsburg to the Croatian throne. In 1918, Croatia declared independence from Austria–Hungary and co-founded the Kingdom of Yugoslavia. After the Second World War, Croatia became a founding member of Second Yugoslavia. On 25 June 1991, Croatia declared independence and beca me a sovereign state. Situated in a secluded place, on the southern coast of Brac, Bol is the oldest town of Brac and one of the most famous seaside resorts of the Adriatic. Apart from cultural monuments, Bol also features a number of natural beauties. East and west of Bol are numerous shores, beautiful beaches; the most famous - and probably the most beautiful on the Adriatic is Zlatni Rat.