Answer:
Central Europe and Mediterranean.
Step-by-step explanation:
The Ottoman Empire expanded its territories under the reign of Sultan Suleiman the Magnificent. The Ottoman Empire was a military institution, committed to stretching Islam by conquering the lands of the unbelievers. The Ottoman Empire had a strong military with advance firearms and cannons. Suleiman began his reign with campaigns in central Europe and the Mediterranean. Belgrade and Rhodes conquered by him along with Hungary.