Kingdom when compared to Protestantism and Catholicism; most Orthodox churches cater to immigrants from Eastern Europe, the Balkans and The Middle East. It is a relatively minor faith among Britons themselves. In 2013 there were roughly 464,000 members of Orthodox churches in the UK. Eastern Orthodoxy Adherents of Eastern Orthodox Christianity in the United Kingdom are traditionally organized in accordance with patrimonial ecclesiastical jurisdictions. The Russian Orthodox Church has a Diocese of Sourozh, which covers Great Britain and Ireland, and the Russian Orthodox Church Outside Russia also has a diocese of Great Britain and Western Europe. The Greek Orthodox Church is represented by the Ecumenical Patriarchate, which has established the Archdiocese of Thyateira and Great Britain, that covers England, Wales, Scotland and Ireland as well as Malta. The Patriarchate of Antioch has several parishes and missions within the Diocese of the British Isles and Ireland. Other Eastern Orthodox Churches represented in the United Kingdom include the Georgian Orthodox Church, the Romanian Orthodox Church, the Bulgarian Orthodox Church and the Serbian Orthodox Church. Oriental Orthodoxy Adherents of Oriental Orthodox Christianity in the United Kingdom are also traditionally organized in accordance with their patrimonial ecclesiastical jurisdictions, each community having its own parishes and priests. The Coptic Orthodox Church of Alexandria has two regional Dioceses in the United Kingdom: the Diocese of Ireland, Scotland, North East England, and the Diocese of the Midlands. Other Oriental Orthodox Churches represented in the United Kingdom include the Syriac Orthodox Church, the Armenian Apostolic Church, the Eritrean Orthodox Tewahedo Church and the Ethiopian Orthodox Tewahedo Church. The homegrown British Orthodox Church and Celtic Orthodox Church, although both minor, are also represented. Other Trinitarian denominations Other denominations and groups include the Seventh-day Adventist Church, the Seventh Day Baptists, the Plymouth Brethren, and Newfrontiers. Non-Trinitarian denominations The Church of Jesus Christ of Latter-Day Saints The first missionaries from the Church of Jesus Christ of Latter Day Saints to proselytise in the British Isles arrived in 1837. By 1900 as many as 100,000 converts had joined the faith, but most of these early members soon emigrated to the United States to join the main body of the church. From the 1950s emigration to the United States began to be discouraged and local congregations grew more rapidly. Today the church claims just over 186,000 members across the United Kingdom, in over 330 local congregations, known as 'wards' or 'branches'. The church