The Eyalet of Bosnia, was an eyalet of the Ottoman Empire, mostly based on the territory of the present-day state of Bosnia and Herzegovina. Prior to the Great Turkish War, it had also included most of Slavonia, Lika, and Dalmatia in present-day Croatia. Its reported area in 1853 was 52,530 square kilometres (20,281 sq mi).
Husein Gradaščević was declared the governor of the Eyalet of Bosnia in 1831 and revolted against the Ottomans in a bid to secure Bosnian independence.
Eyalets, also known as beylerbeyliks or pashaliks, were the primary administrative divisions of the Ottoman Empire.
Provinces of the Ottoman Empire in Europe, Asia, and Africa in 1692, divided into Beylerbeyliks, Protectorates and tributary states. by Guillaume Sanson (1633–1703).
The 1803 Cedid Atlas, showing the Middle Eastern eyalets
Eyalets in the 17th century