Tourists flock en masse to the Hagia Sophia for its stunning architecture, glorious interior views and historical significance. Built between 532 and 537, the building was a church for nearly a ...

Hagia Sophia is the former Greek Orthodox Christian patriarchal cathedral built in AD 532-537 in Constantinople (now Istanbul, Turkey). It was turned into an Ottoman imperial mosque in 1453 ...

Pope Francis on Sunday joined an international chorus of condemnation of Turkey's decision to convert Istanbul's iconic Hagia Sophia landmark ... heads the Russian Orthodox Church's department ...