Tolong jelaskan mengenai Bulgaria dari Balkan

Katolik merupakan agama utama di negara berikut:

Islam merupakan agama utama di negara berikut:

Penduduk yang tinggal di negara berikut memiliki agama minoritas:

Bosnia dan Herzegovina: Orthodoks Timur, Katolik.

Fine, John V. A., Jr. The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century [1983]; The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest. Ann Arbor: University of Michigan Press, [1987].

Lampe, John R., and Marvin R. Jackson; Balkan Economic History, 1550–1950: From Imperial Borderlands to Developing Nations Indiana University Press, 1982

Király, Béla K., ed. East Central European Society in the Era of Revolutions, 1775–1856. 1984