The Habsburg monarchy (German: Habsburgermonarchie, pronounced [ˈhaːpsbʊʁɡɐmonaʁˌçiː] ), also known as Habsburg Empire (German: Habsburgerreich). the unofficial name for a conglomerate of feudal states ruled by the Austrian branch of the Habsburg dynasty.Usually used to refer to the period from 1526, when the Austrian Archduke Ferdinand I took the thrones of Bohemia and Hungary.
Kingdom of Hungary (including Grand Principality of Transylvania) (From the late 1770s also including Croatia, Slavonia and Vojevodina, some other regions)