Hagia Irene: Guided Tour

There aren't many churches in today's Istanbul; most of them were converted into mosques by the conquering Ottoman empire. The first church built in ancient Constantinople, however, is still standing, offering a unique window into Turkey's incredible past. * Add a splash of cultural history to your Turkish city-break, and explore this ancient treasure with an expert tour guide. Wander the cavernous nave and learn about this unique Christian sanctuary that has survived the centuries.