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
Demographic history of Bosnia and Herzegovina an enclave in the vast region of Bosnian Frontier. More intensified immigrations of the Muslim population were noticed in 1690 when they moved from Hungary and Slavonia to the region around the mountain of Majevica. In the Ottoman period, the Muslim population increased in number in Bosnia and Herzegovina somewhat due to immigrations of Muslims from the Sanjaks of Smederevo and Novi Pazar, and especially from some regions of Montenegro, Sjenica, and Pešter. Immigrations of the Turkish population from Asia Minor also had an impact upon the growth of the Muslim population in Bosnia and Herzegovina from the 15th to