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
Serbs of Bosnia and Herzegovina Serbs were forced to relocate to Serbia proper, Montenegro and Vojvodina. Having lived throughout much of Bosnia-Herzegovina prior to the Bosnian War, the majority now live in the Republika Srpska. According to the report by the Bosnia and Herzegovina statistics office, on the census of 2013 there were 1,086,733 Serbs living in Bosnia and Herzegovina. Serbs settled the Balkans in the 6th and 7th centuries. According to "De Administrando Imperio" (ca. 960), the Serbs had settled what is now Bosnia and Herzegovina. They inhabited and ruled "Serbia", which included "Bosnia" (with two inhabited cities; Kotor and Desnik), and "Rascia", and