Which of the two is situated in the Eyup district of Istanbul, Eyüp Sultan Mosque or Column of Marcian?
Eyüp Sultan Mosque: The Eyüp Sultan Mosque (Turkish: "Eyüp Sultan Camii" ) is situated in the Eyüp district of Istanbul, outside the city walls near the Golden Horn. Eyüp Sultan Mosque:  The mosque complex includes a mausoleum marking the spot where Eyüp (Job) al-Ansari, the standard-bearer and friend of the Islamic prophet Muhammad, is said to have been buried. Column of Marcian: The Column of Marcian (Turkish: "Kıztaşı" ) is a Roman honorific column erected in Constantinople by the "praefectus urbi" Tatianus (450-c.452) and dedicated to the Emperor Marcian (450-57). Column of Marcian:  It is located in the present-day Fatih district of Istanbul.
i don't know