Question: Janina Vilayet was a division created by merging a subdivision of the Ottoman Empire known as what?
Sentence (from "Pashalik of Yanina"): Its core was the Ioannina Eyalet, centred on the city of Ioannina in southern Epirus, but at its peak it comprised most of Albania and the western portions of Thessaly and Greek Macedonia in Northern Greece.
Relevant evidence: No