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
Transport in Bosnia and Herzegovina Transport in Bosnia and Herzegovina Bosnia and Herzegovina has facilities for road, rail, and air transport. There are five international road routes and 20 state highways, with bus connections to many countries. Railways total just over 1,000 km with links to Croatia and Serbia. There are 25 airports, seven of them with paved runways. The Sava River is navigable, but its use is limited. Bosnia & Herzegovina is well connected to other countries in Europe. The main bus station of Sarajevo has its own website. The main provider of international bus connection in Bosnia & Herzegovina is Eurolines. There are