sentences:  The remaining 16,800 km² where around 400,000 inhabitants lived were referred to as the ""remnants of remnants of the once great and renowned Kingdom of Croatia"" ().By the 18th century, the Ottoman Empire was driven out of Ottoman Hungary and Croatia, and Austria brought the empire under central control.The Austrian imperial army was victorious against the Ottomans in 1664 but Emperor Leopold failed to capitalize on the success when he signed the Peace of Vasvár in which Hungary and Croatia were prevented from regaining territory lost to the Ottoman Empire.