Turkey is a country with a long history. Turkey's importance through out the history means that it is full of interesting buildings and historic locations. Turkey has many mosques and churches. When it comes to churches, the most famous one used to be Hagia Sophia, how ever, it is now functioning as a mosque. So, What's the most famous church in Turkey? 
The title of the most famous church in Turkey goes to The Church of St. Peter in Antakya. The Church of St. Peter in Antakya, also known as the Antioch Church, has a rich and significant history in early Christianity:
1st Century: The church is believed to have been founded by the apostle Peter himself around 46 AD. Antioch, the city where the church is located, was an important center of early Christianity and served as a base for early Christian missionaries. It was in Antioch that the followers of Jesus were first called "Christians."
The Grotto: The main chamber of the Church of St. Peter is a grotto, which is a natural cave-like space carved into the mountainside. This grotto is believed to have been used by the early Christians as a place of worship and gathering, as they faced persecution during the Roman Empire.
Pilgrimage Site: The Church of St. Peter has been a pilgrimage site for centuries. Many early Christians and pilgrims visited the church to honor the apostle Peter and seek spiritual guidance. The church's historical significance, coupled with its association with St. Peter, has made it a revered destination for Christians worldwide.
Historical Events: The Church of St. Peter played a role in several important historical events. It was within the walls of this church that the term "Christian" was first coined. Additionally, it is believed that the apostle Paul delivered some of his earliest sermons within the church.
Archaeological Discoveries: Over the years, archaeological excavations have been conducted in and around the Church of St. Peter. These excavations have unearthed ancient artifacts, inscriptions, and Christian symbols that provide valuable insights into the early Christian era.
Conversion to Islam and Restoration: With the rise of Islam and the conquest of Antioch by the Arab armies in the 7th century, the Church of St. Peter went through a transformation. It was converted into a mosque and remained as such for several centuries.
Current Status: In the modern era, the Church of St. Peter is no longer an active place of worship. Today, it serves as a museum and historical site, attracting visitors from around the world who come to explore its ancient chambers, view the religious artifacts, and appreciate its architectural and historical significance.

Given its history, The Church of St. Peter is an ancient structure that holds great historical and religious significance. It is believed to be one of the earliest Christian churches in existence, dating back to the 1st century AD. The church is built into the side of a mountain and consists of several underground chambers and tunnels. The main chamber of the church, known as the grotto, is believed to be the place where early Christians held their secret worship gatherings. It is a small, cave-like space with an altar carved into the rock. The walls are adorned with ancient Christian symbols and inscriptions, some of which date back to the 4th century.
It's important to note that while the Church of St. Peter in Antakya is historically significant, there are other churches in Turkey that hold importance in the Christian faith, such as the Church of the Holy Cross on Akdamar Island and the Church of St. John the Baptist in Trabzon.
How to access the church of St. Peter?
To reach the Church of St. Peter, you can travel to Antakya by various means. The city has an airport (Hatay Airport) that connects to major Turkish cities. Alternatively, you can reach Antakya by bus or car from other parts of Turkey.
Once you arrive in Antakya, the Church of St. Peter is located in the city center, near the St. Pierre Hotel. It is easily accessible by foot, and there are also signs directing visitors to the church. The entrance to the church is through a small courtyard, and then you descend a flight of stairs to reach the underground chambers.
Visiting Hours:
The church is open to visitors throughout the year, but it is advisable to check the visiting hours in advance as they may be subject to change. Generally, the visiting hours are from morning to late afternoon.
It's recommended to allocate around 1-2 hours for your visit to fully explore the church, appreciate its historical significance, and take in the serene atmosphere. It's worth noting that the Church of St. Peter is a popular tourist destination, so visiting during weekdays or less crowded times might enhance your experience.
The title of the most famous church in Turkey goes to The Church of St. Peter in Antakya. The Church of St. Peter in Antakya, also known as the Antioch Church, has a rich and significant history in early Christianity:
1st Century: The church is believed to have been founded by the apostle Peter himself around 46 AD. Antioch, the city where the church is located, was an important center of early Christianity and served as a base for early Christian missionaries. It was in Antioch that the followers of Jesus were first called "Christians."
The Grotto: The main chamber of the Church of St. Peter is a grotto, which is a natural cave-like space carved into the mountainside. This grotto is believed to have been used by the early Christians as a place of worship and gathering, as they faced persecution during the Roman Empire.
Pilgrimage Site: The Church of St. Peter has been a pilgrimage site for centuries. Many early Christians and pilgrims visited the church to honor the apostle Peter and seek spiritual guidance. The church's historical significance, coupled with its association with St. Peter, has made it a revered destination for Christians worldwide.
Historical Events: The Church of St. Peter played a role in several important historical events. It was within the walls of this church that the term "Christian" was first coined. Additionally, it is believed that the apostle Paul delivered some of his earliest sermons within the church.
Archaeological Discoveries: Over the years, archaeological excavations have been conducted in and around the Church of St. Peter. These excavations have unearthed ancient artifacts, inscriptions, and Christian symbols that provide valuable insights into the early Christian era.
Conversion to Islam and Restoration: With the rise of Islam and the conquest of Antioch by the Arab armies in the 7th century, the Church of St. Peter went through a transformation. It was converted into a mosque and remained as such for several centuries.
Current Status: In the modern era, the Church of St. Peter is no longer an active place of worship. Today, it serves as a museum and historical site, attracting visitors from around the world who come to explore its ancient chambers, view the religious artifacts, and appreciate its architectural and historical significance.
Given its history, The Church of St. Peter is an ancient structure that holds great historical and religious significance. It is believed to be one of the earliest Christian churches in existence, dating back to the 1st century AD. The church is built into the side of a mountain and consists of several underground chambers and tunnels. The main chamber of the church, known as the grotto, is believed to be the place where early Christians held their secret worship gatherings. It is a small, cave-like space with an altar carved into the rock. The walls are adorned with ancient Christian symbols and inscriptions, some of which date back to the 4th century.
It's important to note that while the Church of St. Peter in Antakya is historically significant, there are other churches in Turkey that hold importance in the Christian faith, such as the Church of the Holy Cross on Akdamar Island and the Church of St. John the Baptist in Trabzon.
How to access the church of St. Peter?
To reach the Church of St. Peter, you can travel to Antakya by various means. The city has an airport (Hatay Airport) that connects to major Turkish cities. Alternatively, you can reach Antakya by bus or car from other parts of Turkey.
Once you arrive in Antakya, the Church of St. Peter is located in the city center, near the St. Pierre Hotel. It is easily accessible by foot, and there are also signs directing visitors to the church. The entrance to the church is through a small courtyard, and then you descend a flight of stairs to reach the underground chambers.
Visiting Hours:
The church is open to visitors throughout the year, but it is advisable to check the visiting hours in advance as they may be subject to change. Generally, the visiting hours are from morning to late afternoon.
It's recommended to allocate around 1-2 hours for your visit to fully explore the church, appreciate its historical significance, and take in the serene atmosphere. It's worth noting that the Church of St. Peter is a popular tourist destination, so visiting during weekdays or less crowded times might enhance your experience.