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
Bosnia and Herzegovina–Croatia relations so far co-operated in building a bridge over Sava River near Svilaj, Croatia, which connects the northern end of Corridor Vc to the southern end of Croatian A5. Exports to Bosnia and Herzegovina amount to 14.4% of Croatia's total, while as of 2007, Bosnia and Herzegovina is the fifth largest trade partner of Croatia. This makes Croatia both the largest importer and exporter of Bosnia and Herzegovina, while Bosnia and Herzegovina is the second largest buyer of Croatian goods. With 343 million convertible marks (US$237 million) of invested foreign capital, Croatia is the largest investor in Bosnia and Herzegovina, topping