This mosque is dedicated to Abu Ayyub al-Ansari, who was prophet Mohamed's companion. Supposedly, he is buried here, the exact spot is noted in the mausoleum. The mosque was also the place where the coronations of new sultans of Ottoman Empire were performed.
Mosque: 9 a.m. - 6 p.m.
The admission is free, donations are welcomed.
Wikipedia https://en.wikipedia.org/wiki/Ey%C3%BCp_Sultan_Mosque
Official Website https://www.geziyerler.com/eyup-sultan-camii-ve-turbesi
Address Eyüp Merkez Mh. 34050 Istanbul, Turkey
Coordinates 41°2'52.898" N 28°56'1.416" E