Jehovah's Witnesses in the context of "Excommunication"

Religion in Greece is dominated by Christianity, in particular the Greek Orthodox Church, which is within the larger communion of the Eastern Orthodox Church. It represented 81 to 90% of the total population in 2022 and is constitutionally recognized as the "prevailing religion" of Greece. Religions with smaller numbers of followers include Islam followed by different communities of Greek Muslims (now comprising only 2% of the population), Western Catholicism (comprising 1% of the population), Greek Catholicism, Judaism, Evangelicalism, Hellenic paganism, and Jehovah's Witnesses. A number of Greek atheists exist, not self-identifying as religious.

Christianity in Italy has been historically characterised by the dominance of the Catholic Church since the East–West Schism. However, the country is also home to significant Christian minorities, especially Orthodox Christians, Protestants and Jehovah's Witnesses.

The country's patron saints are Francis of Assisi and Catherine of Siena.

Religion in Slovakia is predominantly Christianity, adhered to by about 68.8% of the population in 2021.

The Catholic Church is the major Christian tradition in the country, followed in 2021 by 59.8% of the population, a majority of whom (55.8%) were of the Latin Church and a minority of whom (4%) were of the Slovak Greek Catholic Church. About 9% of the population were mostly followers of Protestantism, and a minority of Eastern Orthodox Church and other Christian denominations; the major groupings are the Evangelical Church of the Augsburg Confession in Slovakia (5.3%), the Reformed Christian Church in Slovakia (1.6%), the Orthodox Church of the Czech Lands and Slovakia (0.9%), the Jehovah's Witnesses (0.3%), and other smaller Christian denominations (0.9%). In 2021, about 23.8% of the population declared themselves not religious, an increase from 13.4% in 2011. An additional 1.2% of the population were followers of other religions or beliefs; small religious minorities in Slovakia include Buddhism, modern Paganism, Islam, Judaism, Jediism, Hinduism

In 2020, 85.84% of the population in Georgia adhered to Christianity (mainly Georgian Orthodox), 11% were Muslim, 0.1% were Jewish, 0.04% were Baháʼí and 3% had no religious beliefs. Other religious groups include Jehovah's Witnesses and Yazidis. Orthodox churches serving other non-Georgian ethnic groups, such as Russians and Greeks, are subordinate to the Georgian Orthodox Church.

A Pew Research Center study about religion and education around the world in 2016, found that between the various Christian communities, Georgia ranks as the third highest nation in terms of Christians who obtain a university degree in institutions of higher education (57%).

Arianism (Koine Greek: Ἀρειανισμός, Areianismós) is a Christological doctrine that rejects the traditional notion of the Trinity, teaching that Jesus was created by God and is therefore distinct from God. It is named after its proponent Arius (250 or 256 – 336) and is regarded as heretical by most modern mainstream branches of Christianity. Arianism is held by a minority of modern denominations, although some of these groups espouse related doctrines such as Socinianism, and others avoid the term "Arian" because of its historically negative connotations. Modern denominations sometimes associated with the teaching include Jehovah's Witnesses, some churches within the Churches of Christ (among them the movement's founder, Barton W. Stone), and certain Hebrew Roots Christians and Messianic Jews, although many Messianic Jews adhere to Nicene Christianity. The Arian view is also held by The Church of Jesus Christ of Latter Day Saints, although the theology is more distinct in key ways.

It is first attributed to Arius, a Christian presbyter who preached and studied in Alexandria, Egypt, although it developed out of various preexisting strands of Christianity which differed from later Nicene Christianity in their view of Christology. Arian theology holds that Jesus Christ is the Son of God, who was begotten by God the Father with the difference that the Son of God did not always exist but was begotten/made before time by God the Father; therefore, Jesus was not coeternal with God the Father, but nonetheless Jesus began to exist outside time.