Demographic history of Bosnia and Herzegovina of Catholic preachers. Preottoman Catholic population had a great share in the emigrations from Bosnia and Herzegovina. The emigration flows were directed towards Dalmatia, Croatia, Slavonia, Baranja and north-west Bačka. The western part of today's region of Bosnia, today known as Bosnian Krajina, was taken by the Ottomans in the 16th century, and was for some time still known as "Turkish Croatia", as its once overwhelming Catholic and Croat majority disappeared and the Ottomans entrenched the new border along the Sava and Una rivers. After more than a century of military losses, the Habsburg Empire waged some victorious wars against
Greek Catholic Church of Croatia and Serbia Catholic Eparchy of Križevci had full jurisdiction over all Eastern Catholics of the Byzantine Rite throughout the entire territory of former Yugoslavia, including all of its successor states: Croatia, Slovenia, Bosnia-Herzegovina, Serbia, Montenegro and Macedonia. During that time, it mostly gathered its faithful among the Croats in central and eastern Croatia, among the Rusyns or Ukrainians in eastern Croatia, northern Bosnia and northern Serbia and among Macedonians in Macedonia. After the formation of independent successor states from what had been Yugoslavia, the process of administrative reorganization was initiated. In 2001, a separate Byzantine Catholic Apostolic Exarchate of Macedonia was formed