ENThe author of this article refers to a very interesting and for some researchers to a controversial topic in the national historiography – the establishment of the lands of the Grand Duchy of Lithuania in the early XV century own Metropolia without the consent of the patriarch. In a lot of attention is paid to the political factor in the formation of an independent Orthodox Archdiocese in Novogrudok that could be and for some time for the ruling circles of the Principality evidence not only the state independence, and spiritual autonomy of the local Orthodox population. Also raises the question of recognition Novogrudok cultural and religious center of the Grand Duchy of Lithuania in this period.