Beylerbey or (Turkish for Bey of beys, Leader of leaders, Polish: bejlerbej) is the Ottoman title used for the most important person in the hierarchy of provincial leaders (a governor over several vilayet), second only to the Vizier. Bey is the Turkish word for chieftain, traditionally applied to the leaders of small tribal groups. ... Imperial motto (Ottoman Turkish) Devlet-i Ebed-müddet (the Eternal State) The Ottoman Empire at the height of its power Official language Ottoman Turkish Capital Bursa (1335 - 1365), Edirne (1365-1453), İstanbul (Constantinople) (1453-1922) Imperial anthem Ottoman imperial anthem Sovereigns Padishah of the Osmanli Dynasty Population ca 40... Vilâyet (also eyalet or pashaluk) was the Turkish name for the provinces of the Ottoman Empire. ... A Vizier (ÙØ²Ùر, sometimes also spelled Vizir, Wasir, Wazir, Wesir - grammatical vowel changes are common in many oriental languages) is an oriental, originally Persian, term for a high-ranking political (and sometimes religious) advisor or Minister, often to a Muslim monarch such as a Caliph, Amir, Malik (king) or Sultan. ...