Greek Orthodoxy has also been defined as a religious tradition rooted in preserving the Greek identity. History. The Greek Orthodox churches are descended from churches which the Apostles founded in the Balkans and the Middle East during the first century A.D., as well as maintenance of many ancient church traditions.
According to the constitution, Greek Orthodoxy is the prevailing religion of Greece; this is reinforced by displays of the Greek flag and national emblem at church properties. Adherence to the Eastern Orthodox Church was established as a definitive hallmark of Greek ethnic identity in the first modern Greek constitution, the " Epidaurus Law " of 1822, during the Greek War of Independence .
- 10 million
- Metropolitan Cathedral of Athens and Petraki Monastery, Athens
- Dionysius the Areopagite (tradition)
- Achaea, Roman Empire
La Iglesia ortodoxa de Grecia o Iglesia ortodoxa helénica es una de las catorce Iglesias autocéfalas de la comunión ortodoxa. Hoy es la cuarta Iglesia ortodoxa más grande con unos 9 millones de feligreses. Ha desempeñado un papel principal en Grecia durante siglos y se considera su religión oficial en virtud de la Constitución ...
Orthodoxy (from Greek: ὀρθοδοξία, orthodoxía, 'righteous/correct opinion') is adherence to correct or accepted creeds, especially in religion.  Orthodoxy within Christianity refers to acceptance of the doctrines defined by various creeds and ecumenical councils in Antiquity , but different Churches accept different creeds and councils.
The Greek Orthodox Church, a member of the Eastern Orthodox Communion, is described as the "prevailing religion" in Greece's constitution. Since 1850, Greek Orthodoxy within Greece is organized in the Church of Greece. Its members comprise between 95%  and 98%  of the population.
Missionaries brought Eastern Orthodoxy to many regions without ethnic Greeks, where the Greek language was not spoken. In addition, struggles between Rome and Constantinople to control parts of Southeastern Europe resulted in the conversion of some churches to the Catholic Church, which then also used "Greek Catholic" to indicate their continued use of the Byzantine rites.