It is one of the most significant architectural achievements in history located in Fateh district. It was originally constructed as a cathedral in 537 AD during the reign of Byzantine Emperor Justinian I, it served as the world’s largest cathedral for nearly a thousand years.

The building is renowned for its massive dome, innovative architectural design, and stunning mosaics depicting Christian iconography. Following the Ottoman conquest of Constantinople in 1453, Hagia Sophia was converted into a mosque, leading to the addition of minarets and Islamic features.

In 1935, it was secularized and transformed into a museum, symbolizing a bridge between cultures. In 2020, it was reconverted into a mosque, sparking global discussions about its cultural and religious significance.

Today, Hagia Sophia stands as a UNESCO World Heritage Site, attracting millions of visitors each year. Its rich history reflects the complex interplay of Christianity and Islam in the region. The structure remains a powerful symbol of both Byzantine and Ottoman heritage.