1) Gubernatorial title 
Beylerbey (from Beylerbeyi, Ottoman Turkish for `Bey of Beys`, meaning `Commander of Commanders` or `Lord of Lords`; originally Beglerbeg(i) in older Turkic) is the Ottoman and Safavid title used for the highest rank in the hierarchy of provincial administrators (all military officers at high ranks, generally pashas.) It is in western terms ...