Croats of Bosnia and Herzegovina Dalmatian Croatia formed a united Croatian kingdom, which included Dalmatia and part of Bosnia and Herzegovina, Pannonia (eastern Slavonia and northeastern Bosnia), and Savia (western Slavonia). In 1102 Croatia entered into a union with the Kingdom of Hungary. After this, Bosnia, which was earlier part of the Kingdom of Croatia, started to disassociate with Croatia. At first, Bosnia became a separate principality under Ban Kulin who managed to solidify Bosnian autonomy at the expense of more powerful neighbours, but only in the 14th century did Bosnia become a formidable state. In the 14th century, King Tvrtko I conquered part of
Geography of Bosnia and Herzegovina settlers, through Illyrian, Roman, Slavic, Turkish and Austrian rulers, into the present. Irrigated land: 30 km² (2003) Total renewable water resources: 37.5 km (2011) Natural hazards: Current issues: International agreements: Geography of Bosnia and Herzegovina Bosnia and Herzegovina is located in Southeastern Europe, in the western Balkans. It has a 932 km border with Croatia to the north and southwest, a 357 km border with Serbia to the east, and a 249 km border with Montenegro to the southeast. It borders the Adriatic Sea along its 20 km (12.42 mi) coastline. The most striking features of the local terrain are