beylerbey
The title of *beylerbey* (Ottoman Turkish: بیلربئی, romanized: *beylerbey*, lit. 'lord of lords') was a high-ranking administrative and military position in the Ottoman Empire, primarily used to designate the governors of its provinces. The term evolved from the earlier *bey* (lord or chief), which denoted regional commanders or governors, and was later modified to reflect a higher rank of authority.
The beylerbey was responsible for overseeing the administration of a *beylerbeylik*, a large province or military
By the 16th century, the title became more formalized, and the beylerbey was appointed by the sultan,
The decline of the Ottoman Empire in the 18th and 19th centuries led to the gradual abolition