What is the Orthodox Church? Discover Its Impact

What Happens to You on a Tuesday Morning in the Orthodox Church?

Someone came to me not long ago, a young man in his early thirties, well-educated, genuinely searching. He'd visited our cathedral here in Munich, sat through the Divine Liturgy, and afterward stood in the narthex with that particular look I've come to recognize over the years. Half-overwhelmed, half-lit up from the inside. He said: "Father, I don't even know what I just experienced. I'm trying to understand — what is the Orthodox Church? What does this tradition actually offer? What is this place? What is this Church?"

People ask me this all the time in my parish. And honestly? I love that question. The real answer isn't dates or statistics or organizational charts. Those matter, sure. But what really matters? It's what happens when you're standing in your kitchen on some random Tuesday morning, praying before work. How it shifts the way you see your neighbor. Changes how you think about your own pain.

Most explanations of Orthodoxy get tangled up in institutional details. But here's what I've learned after years in pastoral ministry: people don't need another encyclopedia entry. They need to know what it actually does to a life.

So let me try to answer that. The way I'd answer over coffee after Liturgy.

Quick Answer: The Orthodox Church is the ancient Christian community founded by Jesus Christ and His Apostles, preserving the original faith through unbroken apostolic succession, the seven Ecumenical Councils, and Holy Tradition — comprising approximately 250 million members worldwide who worship together in the Divine Liturgy and pursue theosis, the gradual transformation of the whole person into the likeness of God.

In This Article:

TL;DR — Key Takeaways

• The Orthodox Church traces its origins to Pentecost and the Apostles, maintaining unbroken apostolic succession to the present day.
• Orthodox Christianity centers on theosis — a real, lived process of becoming more like God through prayer, fasting, and the Holy Mysteries.
• The Church has no single earthly head like a Pope; its unity comes through shared faith, the Ecumenical Councils, and the Eucharist.
• Every aspect of Orthodox life, including fasting, icons, and the Jesus Prayer, is designed to transform the whole person — body and soul — not just the mind.

Where Did the Orthodox Church Come From and When Was the Orthodox Church Founded?

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Here's a question I throw at my doctoral students at LMU Munich: when exactly was the Orthodox Church founded? Some say 33 AD, Pentecost. Others point to 325 AD at Nicaea. A few try to be clever and say 1054 at the Great Schism.

That last answer? Completely backwards.

The Orthodox Church didn't start at the Schism. The Schism is when Rome left the common tradition. Rome introduced the filioque addition to the Nicene Creed. Eventually claimed papal supremacy and infallibility. The Orthodox Church? We just stayed put. Remained what we'd always been. I'm not being polemical here — it's history. And seekers need to understand this clearly when they're trying to grasp what is the Orthodox Church at its core.

Christ's words in Matthew 16:18 — "upon this rock I will build my Church, and the gates of Hades shall not prevail against it" — the Fathers read these not as one man's earthly authority, but as a promise about the Church's faith being indestructible. The model for Church governance? Check out Acts 15, the Council of Jerusalem. Apostles and elders gathered together. Debated. Reached a common decision. That's the blueprint for every Ecumenical Council that followed.

St. Ignatius of Antioch, writing in the 2nd century in his Letter to the Smyrnaeans, put it this way: "Wherever the bishop appears, there let the people be; as wherever Jesus Christ is, there is the Catholic Church." Small-c catholic. Universal. Not Roman. Huge difference.

So we've got four ancient patriarchates still Orthodox today: Constantinople, Alexandria, Antioch, and Jerusalem. Seven Ecumenical Councils between 325 and 787 AD defined the core doctrines of the Trinity, the Incarnation, and the veneration of icons. Today, according to the comprehensive historical record, roughly 250 million Orthodox Christians live on every continent. Primarily in Eastern Europe, Russia, Greece, and the Middle East. But there's a genuinely growing presence in the West too — including right here in Munich.

What Does the Orthodox Church Actually Believe About God and Salvation?

When I was still Catholic, I thought I had Christian theology figured out. To a point, I did. But when I encountered Orthodox Christianity? Something shifted.

Actually, let me put it differently. I didn't find new doctrines. I found the same doctrines held differently. Lived differently. Understood with a completely different center of gravity.

Orthodox theology centers on the Incarnation. God became man so that man might become God. That second half? That's what we call theosis, or deification. Salvation isn't just forgiveness of sins (though it includes that). It's not just going to heaven when you die (though that's part of it). Salvation is the real, gradual transformation of your entire being into the likeness of God.

St. Athanasius the Great writes in his Festal Letters that Christians, rather than depending on books alone, rely on the tradition of the Spirit. The Fathers teach that we're meant to become, by grace, what God is by nature.

Worth repeating. We're made to share in the divine life. Not metaphorically.

The Orthodox Church holds the Nicene Creed as its definitive statement of faith: one God in three Persons, Father, Son, and Holy Spirit. Jesus Christ is fully God and fully man, as defined at the Council of Chalcedon in 451 AD. The Holy Spirit proceeds from the Father alone — as the original Creed states — not from the Father and Son as Rome later added. These aren't minor technical details. They shape everything about how we pray, how we worship, and how we understand the human person. This theological framework gets to the heart of what is the Orthodox Church: a community centered on the mystery of God's own life shared with humanity.

Holy Tradition, for us, isn't a collection of human customs tacked onto Scripture. As St. Basil the Great writes in On the Holy Spirit (4th century): "Of the dogmas and kerygma preserved in the Church, some we possess from written teaching and others we receive from the tradition of the apostles, handed on to us in mystery." Scripture and Tradition aren't two competing sources. They're one living river from the same spring. Related: From Apostles to Today: History of the Christian Church.

What Does Orthodox Worship Actually Look Like?

I still remember the first time I attended a full Divine Liturgy as a seeker. Before I converted. Before I had any theological framework for what was happening. The incense. The chanting. The gold of the iconostasis. Time itself seemed suspended.

I didn't understand it fully. But I knew something real was happening.

Orthodox worship engages all the senses. On purpose. Incense rises as prayer — the Psalms speak of this directly. Icons surround the worshippers with a cloud of witnesses (more on this in the misconceptions section). The Liturgy is chanted, not just spoken. At the center of everything? The Eucharist. The Holy Communion. The Body and Blood of Christ in which we receive, as St. John writes in his Gospel (6:53-56), the very life of Christ Himself.

The Divine Liturgy isn't a performance. It's not entertainment. We experience it as a foretaste of the Kingdom. St. John Chrysostom, whose Liturgy we still celebrate in most Orthodox parishes, wrote in his Homily on Romans that "the Church is an inn for travelers, a hospital for sinners." I love that image. Strips away any sense that the Liturgy is only for the spiritually advanced. It's for the broken. The searching. The exhausted. The joyful.

All of us.

The rhythm of Orthodox liturgical life changes your year. We fast before Pascha (Easter), before Christmas, before the feasts of the Theotokos and the Apostles. We mark time differently. We don't just celebrate Christmas on one day — we live through Advent and then feast for twelve days. This isn't ceremonialism for its own sake. It's spiritual formation. The whole body participating in the mystery.

How Is the Orthodox Church Structured, and Why Is There No Pope?

This confuses a lot of people. To be fair, it confused me at first too.

The Orthodox Church is a fellowship of autocephalous — self-governing — churches. There's the Russian Orthodox Church, the Greek Orthodox Church, the Serbian, Romanian, Antiochian, Georgian, and others. I serve under the Russian Orthodox Church Abroad, ordained in 2013 by Metropolitan Mark (Arndt). Each church governs its own internal affairs. But they're all in communion with each other. Same faith. Same sacraments. Same Creed. This structure shows what is the Orthodox Church in Russia and other nations: not separate denominations, but local expressions of the one universal Church.

Christ is the head of the Church. Not a patriarch. Not a bishop. Not any human being. The Ecumenical Patriarch of Constantinople holds a primacy of honor among the Orthodox churches, but not universal jurisdiction. The difference matters. As St. Irenaeus of Lyons wrote in Against Heresies (2nd century): "It is possible for everyone in every church, who may wish to know the truth, to contemplate the tradition of the apostles which has been made known throughout the whole world." The truth is held by the whole Church together, not administered by one man from one city.

1 Timothy 3:15 calls the Church "the pillar and ground of the truth." That's a collective, ecclesial reality. Belongs to the whole body.

Does that mean there's no accountability? No unity? Not at all. Unity in the Orthodox Church comes through shared faith and shared Eucharist. When a church departs from the faith, it loses that communion. The checks and balances are theological, not bureaucratic. I've gone back and forth on how to explain this to Western friends. Here's where I've landed: think of it less like a corporation with a CEO and more like a family with shared memory and shared table.

How Does Orthodox Christianity Compare to Catholic and Protestant Traditions?

I knew the Catholic tradition quite well, having been raised in it. I have deep respect for Catholic theology and Catholic devotion. Same goes for Protestant Christianity, which has produced remarkable saints and serious theologians. But there are real differences worth naming clearly. Without polemics. When people ask about Orthodox Christianity vs Catholic approaches, the differences touch fundamental questions of authority, tradition, and theological method. Related: What Do Orthodox Christians Believe? The Main Truths of Our....

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What I find distinctive about Orthodoxy isn't mainly what it rejects. It's what it preserves. And more than preserves — what it lives. The Fathers aren't museum exhibits here. We read St. John Chrysostom, St. Basil, St. Athanasius as living voices in every Liturgy, every service of Vespers, every prayer rule. The Church hasn't frozen in the 4th century. She's carried that inheritance forward into every century, including ours. This continuous preservation helps explain why the Orthodox Church split from the Catholic Church: not through doctrinal innovation, but through Rome's departure from the common apostolic tradition.

Father Victor's Perspective: What Orthodoxy Does to Your Ordinary Life

Let me come back to that young man from the beginning. His question, "What is this Church?", is really two questions folded into one. The first is historical and theological: what is the Orthodox Church's identity and origin? I hope I've started to answer that above.

But the second question is the one that keeps people up at night: what would it mean for me, for my life, right now, to belong to this? That's the question most articles never even try to answer.

Here's what I've noticed after years in pastoral ministry. Orthodoxy changes your relationship with your body. Fasting might seem extreme to outsiders, but it's actually about freedom. The freedom that comes when you're not enslaved to appetite, comfort, or distraction. It changes your relationship with time. The liturgical calendar gives every day a character, a saint, a prayer, a color. It changes your relationship with silence. The Jesus Prayer ("Lord Jesus Christ, Son of God, have mercy on me, a sinner"), practiced slowly over years, does something to the interior life.

I can only describe it as a gradual quieting of noise I didn't know was there.

Hard to explain. But real.

I'm not sure there's a simple way to summarize what theosis looks like on a Tuesday morning. But I can say this: when I wake up, pray the morning rule, venerate the icons in my home, and head to the parish, I'm not doing religious exercises to satisfy a requirement. I'm participating in a life that was given to me. A life I didn't invent. That stretches back through twenty centuries to the Upper Room and beyond that to Eden, to the very beginning of the human story with God.

That's not quite what anyone tells you when they explain "what the Orthodox Church is" institutionally. But it's the truest thing I can say about it.

Honestly? This is exactly why I converted. Not because I had arguments against my previous tradition. But because I found something alive here that I couldn't walk away from. Understanding what is the Orthodox Church means encountering this living tradition that transforms not just belief, but the entire fabric of daily existence.

What People Often Get Wrong About the Orthodox Church

"Orthodox Christians worship icons." Not quite. We venerate icons — meaning we honor them as windows toward the divine reality they represent. Worship (in Greek, latreia) belongs to God alone. The 7th Ecumenical Council at Nicaea in 787 AD made this distinction with great care, drawing on the theology of St. John of Damascus, who wrote in his Exposition on the Divine Images that the honor given to the image passes to its prototype. When I venerate an icon of St. John the Forerunner, I'm directing my heart toward him, not toward paint and wood.

"Orthodoxy is just a denomination like the Baptists or Methodists." Not even close. A denomination, by definition, is a group that separated from some earlier common body. The Orthodox Church didn't separate from anything. It's the continuation of the original Apostolic Church. Others departed from that common tradition. We remained. This misunderstanding often stems from asking "Is the Orthodox Church Catholic?" when the real question should be: the Orthodox Church is catholic (universal) in the original sense of the word. Explore: Orthodoxy and Catholicism: Understanding the Divine....

"Without a Pope, there's no real unity." The Acts 15 model shows that the early Church resolved questions through councils of bishops, not through one man's authority. Orthodox unity comes through shared faith, shared Eucharist, and the continuing witness of the Ecumenical Councils. Is it messy sometimes? Yes. Is it less efficient than having one person make all the decisions? Probably. But efficiency isn't the same thing as faithfulness.

"The Orthodox ignore the Bible in favor of tradition." Actually, Scripture is part of Holy Tradition, not separate from it. The Septuagint, the Old Testament translation used by the Apostles themselves, is the Orthodox scriptural canon. We read the Gospels and Epistles at every single Liturgy. The Psalms are woven into every hour of the daily prayer cycle. You'd have a hard time finding a tradition more saturated with Scripture than the Orthodox liturgical life.

"The Orthodox Church was founded at the Great Schism of 1054." The Schism didn't found the Orthodox Church. It separated Rome from the Eastern churches that had been in continuous communion since the Apostles. The Orthodox Church's claim to apostolic continuity is historical and verifiable, as documented in scholarly studies of Orthodox Church history.

"Infant baptism isn't biblical." The early Patristic witness consistently attests to baptism as regeneration for all, including infants, who then receive chrismation (the seal of the Holy Spirit) and, in the Orthodox Church, immediately commune for the first time. This is apostolic practice, not a medieval innovation.

Frequently Asked Questions

What Does the Orthodox Church Believe?

The Orthodox Church believes in the Trinitarian God: Father, Son, and Holy Spirit, one God in three Persons, as defined by the Nicene Creed (325 and 381 AD). It holds that Jesus Christ is fully God and fully man. It teaches that salvation is theosis: the real transformation of the human person into the likeness of God through the Holy Mysteries (sacraments), prayer, fasting, and life in the Church. The Orthodox Church understands itself as the one holy, catholic, and apostolic Church confessed in the Creed, preserving the original faith through Scripture and Holy Tradition without addition or subtraction.

Do Orthodox Christians Believe God Is Jesus?

Yes and no, and the distinction matters enormously. Orthodox Christians believe Jesus Christ is fully God, the second Person of the Holy Trinity, who became fully man. But we don't believe that God is only Jesus, or that the Father and the Son are the same Person. The Trinity is one God in three distinct Persons: Father, Son, and Holy Spirit. The Council of Chalcedon in 451 AD defined Christ's two natures (divine and human) without confusion, without mixture, without separation, and without division. That formula has guided Orthodox Christology ever since.

Does the Orthodox Church Support LGBTQ?

The Orthodox Church holds the traditional biblical understanding of human sexuality and marriage: that marriage is the union of one man and one woman, and that sexual intimacy belongs within that covenant. This isn't a recent position; it's been the consistent teaching of the Church since the Apostles, grounded in the Church's understanding of the human person as created male and female, in the image of God. That said, I want to say this carefully: the Church calls every person, without exception, to the path of theosis, the path of becoming more like God. That call is extended with compassion, not condemnation. Every person who walks through the doors of an Orthodox parish is welcomed as someone Christ loves and died for. The Church doesn't offer affirmation of same-sex acts, but it does offer the same medicine of repentance, forgiveness, and transformation that it offers to all of us. Including me.

What's the Difference Between Orthodox and Catholic?

The biggest structural difference is authority. The Catholic Church holds that the Bishop of Rome (the Pope) has universal jurisdiction and can define doctrine infallibly when speaking ex cathedra. The Orthodox Church rejects this claim, holding that no single bishop holds authority over the others, and that doctrinal definitions require the consent of the whole Church expressed through Ecumenical Councils. The second major difference is the filioque: Rome added the phrase "and from the Son" to the Nicene Creed's article on the Holy Spirit, which the Orthodox Church considers both theologically incorrect and procedurally illegitimate (no single bishop or council can alter the Creed). There are also differences in theological method: Western (Catholic and Protestant) theology developed through Scholasticism and later the Reformation, producing specific doctrines like transubstantiation and papal infallibility that don't appear in Orthodox theology. The Orthodox Church simply didn't go down those roads.

About the Author

Father Victor Meshko is an Orthodox priest serving at the Cathedral of the Holy New Martyrs in Munich, under the Russian Orthodox Church Abroad. He holds a Doctorate in Theology from LMU Munich and a Master's degree in Psychology. His published theological works include research on Archbishop Filaret (Gumilevskij) of Chernigov and a study on the prophetic-eschatological character of the Book of Revelation. In his ministry, he places special emphasis on spiritual psychology, bringing together Christian ethics and theology with modern psychological science. Ordained in 2013 by Metropolitan Mark (Arndt), Fr. Victor writes from his own lived experience of conversion from the Catholic tradition to Orthodoxy, and from over a decade of pastoral service in the heart of Munich. He doesn't wish to hide or bury the treasure, the joy, and the happiness that were granted to him. He wishes to share this experience with you, leaving each person the freedom of personal choice. His message is simple and sincere: trust in God, open your hearts to Him, participate in the Holy Mysteries of the Orthodox Church — and He will surely comfort you and lead you to a life that is deeper, more whole, and more joyful.

Researched and written by Father Victor Meshko. AI tools were used during the research process.