Question: Janina Vilayet was a division created by merging a subdivision of the Ottoman Empire known as what?
Sentence (from "Beirut Vilayet"): It was established from the coastal areas of the Syria Vilayet in 1888 as a recognition of the new-found importance of its then-booming capital, Beirut, which had experienced remarkable growth in the previous years — by 1907, Beirut handled 11 percent of the Ottoman Empire's international trade.
Relevant evidence: No