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 and Herzegovina has its embassy in Zagreb. Beside the embassy, there is one consulate-general of Bosnia and Herzegovina in Croatia, also located in Zagreb. As of 2014 ambassador of Bosnia and Herzegovina to Croatia is Azra Kalajdžisalihović. As of May 2009, Bosnia and Herzegovina and Croatia have not signed a treaty of mutual extradition of the countries' citizens, owing to many convicted people fleeing to the other country and attaining dual citizenship to be virtually immune to extradition. These people have included Ognjen Šimić, a surgeon from Rijeka convicted to nine years in prison for accepting bribes; Ante Jelavić, a