The Nestorian Church is also known as the Church of the East. It was a Christian sect that emerged in the 5th century in Persia, and it spread to other parts of Asia. Another name for it is the Assyrian Church, and it is also known as the Chaldean Church. The Nestorian Church is distinct from other Christian denominations because of its emphasis on the two natures of Christ, which it sees as separate and distinct. Its teachings were influential in the development of early Christianity in Asia, and it influenced the formation of other churches in the region. Other synonyms for the Nestorian Church include the Persian Church and the East Syrian Church.