Croats of Bosnia and Herzegovina transferred to the Austro-Hungarian Empire. Even after the fall of the Ottoman rule, the population of Bosnia and Herzegovina was divided. In the Habsburg Kingdom of Croatia, Croatian politicians strived for the unification of the Kingdom of Dalmatia with Croatia. Another ambition of Croatian politicians was to incorporate the Condominium of Bosnia and Herzegovina into the Kingdom of Croatia. The Habsburg Governor Béni Kállay resorted to co-opt religious institutions. Soon, the Austrian Emperor gained support to name Orthodox metropolitans and Catholic bishops and to choose Muslim hierarchy. The first Catholic archbishop was Josip Stadler. Both apostolic vicarates, Bosnian and Herzegovinian,
Greek Catholic Church of Croatia and Serbia the local Latin Bishops, so the jurisdiction of "Apostolic Exarchate of Serbia and Montenegro" was reduced to Serbia only. The liturgy is the Slavonic form of Byzantine Rite, using the Old Church Slavonic language and the Cyrillic alphabet. The Eparchy of Križevci reported for the year 2010 a total of 21,509 faithful (in Croatia, Slovenia, and Bosnia-Herzegovina). At that time, the "Apostolic Exarchate for Serbia and Montenegro" reported 22,369 faithful. Greek Catholic Church of Croatia and Serbia The Greek Catholic Church of Croatia, Slovenia, Bosnia-Herzegovina and Serbia is an Eastern Catholic Church "sui iuris" of the Byzantine Rite which is