The Patriarch of Moscow is the head of the Russian Orthodox Church, one of the largest Christian denominations in the world. This position was established in 1589, and the Patriarch is responsible for overseeing the church's spiritual and administrative functions in Russia and abroad. The current Patriarch, Kirill I, has held the position since 2009. The Patriarch plays a significant role in promoting the church's teachings and engaging with social and political issues in Russia. The office is located in the Cathedral of Christ the Savior in Moscow, which serves as a central place of worship and a symbol of the church's influence in Russian society.