Arap Camii - Credit: Wikimedia Commons
Arap Mosque (, 'Arab mosque') is a mosque in the Karaköy quarter of Istanbul, Turkey. The building was originally a Roman Catholic church erected in 1325 by the friars of the Dominican Order, near or above an earlier chapel dedicated to Saint Paul () in 1233.Müller-Wiener (1977), p. 79 Although the structure was altered during the Ottoman period, it is the only example of medieval religious Gothic architecture remaining in Istanbul. Read more on Wikipedia
Source: en.wikipedia.org