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 Bosnia and Herzegovina belongs to the Boreal Kingdom and is shared between the Illyrian province of the Circumboreal Region and Adriatic province of the Mediterranean Region. According to the World Wide Fund for Nature, the territory of Bosnia and Herzegovina can be subdivided into three ecoregions: the Pannonian mixed forests, Dinaric Mountains mixed forests and Illyrian deciduous forests. The Politics of Bosnia and Herzegovina takes place in a framework of a parliamentary representative democracy, whereby executive power is exercised by the Council of Ministers of Bosnia and Herzegovina. Legislative power is vested in both the Council of Ministers and the