Complete Guide to Worship in Istanbul: Mosques, Churches & Synagogues

Churches of Istanbul

Istanbul is home to some of the oldest churches in the world, dating back to the Byzantine Empire. These sacred places highlight the city’s rich Christian heritage and cultural diversity. From quiet neighborhood chapels to majestic cathedrals still in use today, the churches of Istanbul offer a beautiful mix of history, faith, and resilience. Don’t miss places like the Church of St. Anthony of Padua and the Bulgarian Iron Church.

Read our full guide to churches of Istanbul 

▶️ A Guide to the Churches of Istanbul

▶️Catholic Churches in Istanbul Turkey

▶️Orthodox Churches in Istanbul

▶️Istanbul’s Protestant Churches

Hagia Irene Museum (Aya İrini)

Located inside the first courtyard of Topkapı Palace, Hagia Irene is one of the oldest churches in Istanbul. Built in the 4th century, it’s famous for its peaceful atmosphere and preserved Byzantine structure.

⭐ Why Visit?

• The first church ever built in Constantinople

• Unlike Hagia Sophia, it was never converted into a mosque

• Impressive Byzantine architecture and large open interior

• Hosts classical music concerts thanks to its amazing acoustics

Basilica of St. Anthony of Padua

Located on lively Istiklal Street in Beyoğlu, the Basilica of St. Anthony of Padua is the largest Roman Catholic church in Istanbul. Originally built in 1724 and rebuilt in 1912, this Neo-Gothic red brick church welcomes thousands of visitors every week, both for prayer and sightseeing.

⭐ Why Visit?

• The largest Catholic church in Istanbul
• Stunning Neo-Gothic architecture with red brick and stained glass
• A place where Pope John XXIII once served as priest
• Open to all with services in English, Italian, Turkish, and Polish

St. Stephen Church (Bulgarian Iron Church)

Located along the Golden Horn in the Balat district, St. Stephen Church is one of the most unique churches in the world — made entirely of prefabricated cast iron parts. Built in 1898 by the Bulgarian Orthodox community, it stands as a symbol of national identity and architectural innovation.

⭐ Why Visit?

• The world’s only iron church — shipped from Vienna and assembled in Istanbul
• Beautiful neo-Gothic style with detailed cast iron decoration
• Still active and open for worship by the Bulgarian Orthodox community
• A peaceful escape along the colorful Balat waterfront

Hagia Triada Church (Holy Trinity Church)

Just behind Taksim Square, Hagia Triada is the largest Greek Orthodox church in Istanbul. Built in 1880, the church stands out with its twin bell towers, large dome, and beautiful neo-Baroque interior. It remains an active place of worship for the local Greek community.

⭐ Why Visit?

• The biggest active Orthodox church in the city
• Impressive neo-Baroque architecture with stained glass windows
• Peaceful and spiritual atmosphere in the middle of bustling Taksim
• A rare chance to see a functioning Greek church in Turkey

Mosques of Istanbul

Hagia Sophia Grand Mosque (Ayasofya)

Hagia Sophia is one of the most iconic buildings in the world. Originally built as a church in 537 AD, it was later converted into a mosque, then a museum, and now serves again as a mosque. With its massive dome, golden mosaics, and deep history, it continues to amaze visitors from all faiths.

⭐ Why Visit?

• Once the largest church in the world for 1,000 years
• A UNESCO World Heritage Site, part of Istanbul’s Historic Peninsula
• See the stunning Byzantine mosaics side-by-side with Islamic calligraphy
• An architectural wonder with a 32-meter-wide dome, built in just 5 years

Süleymaniye Mosque

Perched on one of Istanbul’s seven hills, the Süleymaniye Mosque is a masterpiece of Ottoman architecture. Built by the legendary architect Mimar Sinan for Sultan Süleyman the Magnificent between 1550–1557, it’s one of the city’s largest and most harmonious religious buildings.

⭐ Why Visit?

• A UNESCO World Heritage Site and Sinan’s proudest work
• Peaceful atmosphere away from the crowds of Sultanahmet
• Incredible panoramic view of the Golden Horn from the courtyard
• Home to the tombs of Sultan Süleyman and Hürrem Sultan

Sultanahmet Mosque (Blue Mosque)

With its elegant domes and six minarets, the Sultanahmet Mosque — widely known as the Blue Mosque — is one of the most photographed buildings in Istanbul. Built between 1609 and 1616 by Sultan Ahmed I, it gets its nickname from the over 20,000 blue İznik tiles that decorate its interior.

⭐ Why Visit?

• One of the few mosques in the world with six minarets
• Famous for its blue tiles and peaceful, light-filled interior
• Located directly across from Hagia Sophia — you can visit both easily
• Still an active mosque, yet open to visitors outside prayer hours

Yeni Mosque (Valide Sultan Mosque)

Located right next to the Spice Bazaar in Eminönü, the Yeni Mosque is one of Istanbul’s most recognizable landmarks. Though its name means “New Mosque,” construction began in the 1590s and was completed in 1663. It was commissioned by the mother (valide) of Sultan Mehmed III — hence the name Valide Sultan Mosque.

⭐ Why Visit?

• A prime example of Ottoman imperial mosque architecture
• Beautiful İznik tiles, stained glass windows, and a grand dome
• Located in the heart of the Old City — perfect to combine with a Spice Bazaar visit
• A peaceful place to step away from the busy streets of Eminönü

Fatih Mosque (Fatih Camii)

Named after Sultan Mehmet the Conqueror, the Fatih Mosque stands on one of Istanbul’s seven hills. It was built between 1461 and 1470 on the site of the former Church of the Holy Apostles, once the second-largest church in Constantinople. Today, it remains one of the city's most significant religious and historical sites.

⭐ Why Visit?

• Built by Mehmet II, the conqueror of Constantinople
• One of the first large imperial mosque complexes in the Ottoman Empire
• Visit the tomb of Sultan Mehmet II located within the courtyard
• A peaceful, less touristy mosque full of local life and spiritual energy

Eyüp Sultan Mosque

Located at the northern end of the Golden Horn, Eyüp Sultan Mosque is one of the most sacred sites in Turkey. It was built in 1458 near the tomb of Eyüp al-Ansari, a close companion of the Prophet Muhammad. For many Muslims, visiting this mosque is a spiritual pilgrimage within the city.

⭐ Why Visit?

• Final resting place of Eyüp al-Ansari, a revered figure in Islam
• A deeply spiritual atmosphere, especially during early morning hours
• Explore the nearby cemetery on the hill — one of Istanbul’s oldest and most scenic
• Ride the Pierre Loti cable car for a panoramic view right above the mosque

Ortaköy Mosque (Büyük Mecidiye Camii)

Right on the edge of the Bosphorus, Ortaköy Mosque is one of the most picturesque places in Istanbul. Built in the mid-19th century by Sultan Abdülmecid, it’s a stunning example of Neo-Baroque architecture. The mosque is famous for its beautiful setting — especially during sunset, with the Bosphorus Bridge in the background.

⭐ Why Visit?

• One of the most photographed mosques in Istanbul
• Located right by the water — perfect for a relaxing Bosphorus walk
• Gorgeous Neo-Baroque design with detailed stone carvings and stained glass
• A must-stop for anyone taking a Bosphorus Cruise

Mihrimah Sultan Mosque (Üsküdar)

Built between 1546 and 1548 by the famous architect Mimar Sinan, this mosque was commissioned by Mihrimah Sultan, the beloved daughter of Sultan Süleyman the Magnificent. Located right across the Üsküdar ferry terminal, it's also known as the Pier Mosque.

⭐ Why Visit?

• Designed by Mimar Sinan, the master of Ottoman architecture
• Commissioned by a powerful Ottoman princess, Mihrimah Sultan
• A peaceful spot just steps away from the busy Üsküdar square and ferry pier
• A perfect stop before or after exploring the Asian side of Istanbul

Synagogues of Istanbul

The Jewish heritage in Istanbul spans centuries, though its sites are often hidden in plain sight. The city’s historic synagogues — especially in neighborhoods like Galata, Ortaköy, and Şişli — provide meaningful insight into the traditions and culture of Istanbul’s Jewish community. Most synagogues require advance permission and ID for entry, so plan ahead for a deeper, more respectful visit.

Read our full guide to synagogues of Istanbul ▶️ Synagogues in Istanbul 2025: Best Tips on How to Visit

Ahrida Synagogue (Ahrida Sinagogu)

Located in the historic Balat neighborhood, Ahrida Synagogue is one of the oldest and most beautiful synagogues in Istanbul. Built by Romaniote Jews from Ohrid (Macedonia) before the Ottoman conquest, it has been a spiritual home for centuries and remains active to this day.

⭐ Why Visit?

• One of the oldest synagogues in Istanbul, dating back to before 1453
• Famous for its boat-shaped pulpit (tevah), believed to represent either Noah’s Ark or Ottoman ships that rescued Sephardic Jews from Spain
• A peaceful and historic gem in the heart of colorful Balat
• Rare example of Ottoman Baroque architecture in a synagogue

Neve Shalom Synagogue

Just steps from the Galata Tower, Neve Shalom is the largest and most significant synagogue in Turkey. Opened in 1951, its name means "Oasis of Peace" — a powerful symbol for the Sephardic Jewish community in Istanbul. It’s also home to the Chief Rabbinate of Turkey.

⭐ Why Visit?

• The main synagogue of Turkey’s Jewish community
• Beautiful modern architecture, stained glass windows, and a massive chandelier
• A living center of faith, tradition, and community
• Despite past attacks, it stands strong as a symbol of peace and resilience

Ashkenazi Synagogue (Aşkenazi Sinagogu)

Just a short walk from the Galata Tower, the Ashkenazi Synagogue is the only active Ashkenazi synagogue in Istanbul today. It was founded in 1900 by Austrian Jews and still holds regular services. With its European-style façade and unique interior, it offers a rare look at the Ashkenazi Jewish heritage in Istanbul.

⭐ Why Visit?

• The only active Ashkenazi synagogue in Istanbul
• Distinct European architecture, with decorative stars and chandeliers from Vienna
• A peaceful and spiritual space that blends Jewish, Christian, and Islamic design elements
• Houses a handwritten copy of the Old Testament and inscriptions in German

Etz Ahayim Synagogue (Tree of Life Synagogue)

Located right next to the Bosphorus in Ortaköy, Etz Ahayim — meaning Tree of Life — is a peaceful synagogue that has served Istanbul’s Jewish community for centuries. Though its exact founding date is unknown, it has been rebuilt several times after fires and remains active today.

⭐ Why Visit?

• One of the few waterfront synagogues in the world
• Used by both Ashkenazi and Sephardic communities
• A quiet, spiritual stop during your Ortaköy or Bosphorus visit
• Blends old-world charm with a serene atmosphere by the sea

Beth Israel Synagogue (Bet Israel Sinagogu)

Located in the heart of Şişli, Beth Israel Synagogue was built in the 1950s to meet the needs of the growing Jewish population in the area. It is one of the largest synagogues in Istanbul and remains a central place of worship for the city’s Jewish community.

⭐ Why Visit?

• One of the largest and most active synagogues in Istanbul
• Serves a vibrant community in the Şişli-Nişantaşı area
• Represents the post-war Jewish history of Istanbul
• A symbol of survival and remembrance after the tragic 2003 terrorist attack

Istanbul is not just a city of empires — it’s a city of faith, diversity, and peaceful coexistence. From the calls to prayer echoing from minarets to the quiet flicker of candles in ancient chapels, every corner of the city invites reflection.

We hope this guide helps you explore these sacred spaces with curiosity, respect, and wonder. Whether you follow a faith or simply appreciate history and architecture, Istanbul’s religious sites offer a truly soulful experience.

🧭 Safe travels — and don’t forget to check out our skip-the-line tickets and guided tours with Istanbul Welcome Card to make the most of your journey!