The religious tradition that emerged from the eastern portion of the Roman Empire, following the schism with the Roman Catholic Church in 1054, constitutes a significant area of study. Its theological distinctiveness, use of the Greek language in liturgy, and governance by a synod of bishops are defining characteristics. A tangible example can be found in the construction of Hagia Sophia in Constantinople, a monumental architectural achievement and a central religious site.
Understanding the historical trajectory, geographical spread, and cultural impact of this religious tradition provides crucial insight into the political, social, and artistic developments of regions including the Byzantine Empire, Russia, and the Balkans. Its influence shaped artistic styles, legal systems, and concepts of governance, impacting societies for centuries and contributing to a diverse global religious landscape. Analyzing its evolution allows for a deeper comprehension of inter-religious relations and cultural exchange across various civilizations.