The Greek Orthodox Church is one of the oldest Christian denominations, tracing its roots back to the early Christian community in Greece. It is part of the larger Eastern Orthodox Church, which emphasizes the importance of tradition, sacraments, and the teachings of the early Church Fathers. The church is known for its rich liturgical life, including the Divine Liturgy, which is celebrated in the Greek language. The Greek Orthodox Church is organized into various dioceses, each led by a bishop. The spiritual leader of the church is the Ecumenical Patriarch of Constantinople, who is considered the "first among equals" among Orthodox bishops. The church plays a significant role in the cultural and social life of Greek communities worldwide.