The Russian Orthodox Church (ROC; Russian: Ру́сская правосла́вная це́рковь, romanized: Rússkaya pravoslávnaya tsérkov), alternatively legally known as the Moscow Patriarchate (Russian: Моско́вский патриарха́т, romanized: Moskóvskiy patriarkhát), is the largest autocephalous Eastern Orthodox Christian church. It has 194 dioceses inside Russia. The primate of the ROC is the Patriarch of Moscow and all Rus'. The ROC, as well as its primate, officially ranks fifth in the Eastern Orthodox order of precedence, immediately below the four ancient patriarchates of the Greek Orthodox Church: Constantinople, Alexandria, Antioch, and Jerusalem.