Question: Janina Vilayet was a division created by merging a subdivision of the Ottoman Empire known as what?
Sentence (from "Pashalik of Yanina"): The Pashalik of Yanina or Janina (1788–1822) was a subdivision of the Ottoman Empire centred on the region of Epirus and had a high degree of autonomy in the early 19th century under Ali Pasha, although it was never recognized as such by the Ottoman empire.
Relevant evidence: Yes