The paper deals withy the analysis and highlighting the concepts of First and third Rome under the context of the «Russian world» ideology and modern Vatican verification. The imperian segment of First and third Rome, interconnection between the ideologeme «Moscow – the Third Rome» and geopolitical in the essence concept of Kyryll patriarch. The process of historial fails of «Moscow the Third Rome» created for all the Christian world. It has been pinted out that the «Russian world» abd the ROC (...) were designated only for Eastern Slavonic countries of Europe. (shrink)