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Sveti Stefan: Historic icon of Istanbul’s Golden Horn

A panoramic view of the Sveti Stefan Iron Church in Istanbul, Türkiye, captured in July 2018. A general view from the Sveti Stefan Iron Church, Istanbul, Türkiye. (Photo via Guided Istanbul)
By Huseyin Efe Uzun
Mar 3, 2025 2:11 PM

Nestled along the shimmering waves of Golden Horn, the Sveti Stefan Iron Church (Bulgarian church of St. Stephen) stands as one of the most breathtaking architectural wonders in the world. It is located in the picturesque Balat district.

Balat, known for its colorful mixture of old-times homes, mosques, churches and synagogues presents a historical voyage.

A panoramic view of the Sveti Stefan Iron Church in Istanbul, Türkiye, captured in July 2018.
A general view from the Sveti Stefan Iron Church, Istanbul, Türkiye. (Photo via Wikimedia)

Golden Horn’s standing art piece

The Golden Horn has long been a meeting point of Istanbul, shaping its history as a natural harbor and getaway between continents, empires, and cultures. From the Byzantine era to the Ottoman period and beyond, the Golden Horn has remained a witness to the coexistence of multiple communities where mosques, churches, and synagogues have been side by side for centuries. It has no coincidence that the Sveti Stefan Iron Church was built on this historically rich shoreline.

The placement of the church along the Golden Horn not only provided a strong spiritual and cultural presence of the Bulgarian community but also contributed to the region’s diverse architectural side.

An interior view of the Sveti Stefan Iron Church in Istanbul, Türkiye.
An interior view from the Sveti Stefan Iron Church, Istanbul, Türkiye. (AA Photo)

A legacy cast from an iron

The church’s ability to withstand time and environmental challenges highlights the effectiveness of the iron techniques, making it a symbol of industrial progress. Beyond its aesthetic appeal, the church is designed to accommodate a range of community gatherings.

Also, the church includes a small cemetery where members of the Bulgarian community are laid to rest. Its enduring presence along the Golden Horn serves as a reminder of the rich cultural tapestry that defines Istanbul. Whether you are drawn by its architectural uniqueness, historical significance, or spiritual ambiance, this iron-clad marvel is a must-visit destination for everyone.

 The original wooden structure of the Sveti Stefan Church, captured in a photo via Wikimedia.
The original wooden church. (Photo via Wikimedia)

 A testament to faith

In the 19th century, Bulgarians under Ottoman rule wanted to establish their own national church and get independence from the Greek-dominated Ecumanical Patriarchate of Istanbul. As a relation to that fact, Sveti Stefan was built as a direct response to this movement. It symbolized the Bulgarian ecclesiastical autonomy.

The church’s construction was made possible by the support of Stefan Bogoridi (a high-ranking Ottoman statesman of Bulgarian origin), who donated his home along the Golden Horn.

The original church on this land was a small wooden structure, which was eventually replaced by an iron structure because of the need for a larger and more durable building. When the Bulgarian Exarchate was established in 1870, Sveti Stefan became an important religious center for the community.

An interior view of the Sveti Stefan Iron Church in Istanbul, Türkiye.
An interior view from the Sveti Stefan Iron Church, Istanbul, Türkiye. (AA Photo)

A church forged from iron

The late 19th century was a period of exploration of new architectural styles, blending traditional designs with innovative materials and construction materials to open a new page for architecture. Among these innovations is the Sveti Stefan Iron Church, designed by the Hovsep Aznavur and constructed primarily from cast iron.

The iron components, which weighed 500 tons, were bought from Vienna by a company called Rudolf Philip Waagner and were shipped along the Danube River to Istanbul.

The use of this material not only allowed for making the building more durable but also made it quicker to assemble process compared to traditional building methods.

The architectural style of the church blends Neo-Gothic and Baroque influences, creating a visually stunning structure that reflects 19th-century architectural innovation. This blend is marked in the church’s design, which features iconic elements such as pointed arches and tall spires that are characteristic of the Neo-Gothic aesthetic. The 40-meter-tall bell tower is one of the major features of the church.

All the bells were cast in Russia. Among the other features, stained glass windows are creating a colorful atmosphere. The church’s iconostasis is decorated with saints and biblical scenes.

A panoramic view of the Sveti Stefan Iron Church in Istanbul, Türkiye, captured in July 2018.
A general view from the Sveti Stefan Iron Church, Istanbul, Türkiye, July 1, 2018. (AA Photo)

Restoration of Sveti Stefan Iron Church

In the following years, the church faced many challenges because of corrosion and structural wear. The church underwent a restoration project under Turkish and Bulgarian cooperation in 2011.

After seven years of restoration, on Jan. 8, 2018, Turkish President Recep Tayyip Erdogan and Bulgarian Prime Minister Boyko Borisov attended the inauguration event.

Last Updated:  Mar 3, 2025 4:20 PM