High Quality Content by WIKIPEDIA articles! The Patriarchal Exarchate for Orthodox Parishes of Russian Tradition in Western Europe is an exarchate of the Ecumenical Patriatchate of Russian Orthodox tradition, based in Paris, and having parishes throughout Europe, mainly centered in France. Its current leader is Archbishop Gabriel (de Vylder) of Komana. The Exarchate is sometimes known as Rue Daru from the street in Paris where its cathedral is located.