islam and christianity in aya sofya (istanbul)

Islam and Christianity side by side in Aya Sofya (Istanbul)

Medalion with Arabic Islamic Calligraphy next to an ancient painting of Mary and Baby Jesus.­

For more information about Aya Sofya, read en.­wikipedia.­org/­wiki/­Hagia_­Sophia.

arabic architecture aya sofya byzantine calligraphy christ church hagia sophia inside interior islam jesus madonna medalion mosque orthodox christian religion sacred art virgin mary
Cankurtaran Mh., Soğuk Çeşme Sk 14-36, 34122 Istanbul/Istanbul Province, Turkey

Photos of interesting Christian Sacred Art that I stumbled upon.­

Photos of Turkey (the country).­

it was built as a church, then converted into a mosque. read the wikipedia article to learn more about this monument.
what is Aya Sofya ? Is it a Church or a Mosque?