Kucuk Ayasofya Mosque
Kucuk Ayasofya Mosque in Sultanahmet, Istanbul, Turkey
The Kucuk Ayasofya Mosque is located in the historic Sultanahmet district in the center of Istanbul, near Kennedy Avenue and the sea walls of Constantinople. Its building evolved from the Byzantine Church of Saints Sergius and Bacchus, one of the oldest churches in Istanbul, built under Justinian I in 527-536, next to the house where the emperor spent his youth.
The temple is considered one of the outstanding examples of early Byzantine architecture and received its name "Kucuk Ayasofya" due to its resemblance to the Hagia Sophia, although their scale and plan differ. The central area under the dome is surrounded by a two-tiered gallery on columns, with decor reflecting forms characteristic of the 6th century.
After the city's conquest by the Ottomans in the early 16th century, the church was converted into a mosque. Necessary elements for Muslim worship were constructed, including a minaret, which was often rebuilt after earthquakes. In the 20th and 21st centuries, restorations were carried out, preserving both Byzantine and Ottoman details.
Today, it serves as both a functioning mosque and a historical monument. Visitors are drawn to the rare combination of early Byzantine layout, carved capitals on columns, and friezes with Greek inscriptions in the later Ottoman decoration, as well as the tranquil courtyard setting around it.
Kucuk Ayasofya Mosque on the map
Kucuk Ayasofya Mosque - History, Architecture, and Visit Rules
Early Byzantine layout coexists with Ottoman elements and a status of worship.
The Dome Temple of Justinian with Galleries and an Ottoman Minaret
Inside, visitors' attention is drawn to the main space under the dome, surrounded by a two-tiered arcade. Marble columns support richly carved capitals, some bearing the monograms of the imperial couple. A partially preserved Greek dedicatory inscription from Byzantine times runs along the perimeter of the upper gallery.
The Ottoman period is evident in the mihrab and minbar design, wooden lattices, calligraphic panels, and in the minaret, which has been repaired several times after earthquakes. Outside of prayer times, the entire prayer area is accessible, but visitors must follow rules: modest dress, head coverings for women, and removing shoes when entering.
Surrounding the mosque are a courtyard and auxiliary buildings. Part of the former medrese cells is occupied by craft workshops and small shops, and in the garden under the trees, there is a modest tea cafe. The premises include a small cemetery with Ottoman tombstones, enhancing the historical aspect of the complex.
A visit to the Kucuk Ayasofya Mosque can easily be combined with a walk to the Blue Mosque and Hippodrome Square, with Kennedy Avenue and the sea walls just a few minutes' walk away. The easiest approach is from the T1 tram line stops Sultanahmet or Cemberlitas - the walk takes about 10-15 minutes through the streets of the Kadirga district and Kucuk Ayasofya Street.
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