Aya İrini Kilisesi
Aya İrini Kilisesi, also called Hagia Irene Church, stands in Istanbul as a Byzantine architectural landmark. The Greek name Aya İrini means Holy Peace.
The Eastern Orthodox church is among Istanbul’s oldest, and it was never converted into a mosque. Its origins reach back to the fourth century.
Roman Emperor Constantine I reportedly commissioned it, and the church preceded Hagia Sophia as the Patriarchate’s seat. The Nika Revolt destroyed Hagia Irene by fire.
Emperor Justinian I rebuilt Hagia Irene, while later restoration work followed an earthquake in Constantinople. Emperor Constantine V added mosaics and frescoes.
A distinctive cross mosaic remains visible, offering a concrete trace of Byzantine art from the Iconoclastic period. The Topkapı Palace walls later enclosed the church.
Janissaries used the enclosed building as an arsenal, and it later became a military museum. Its acoustics support classical music concerts linked to the Istanbul International Music Festival.
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