A different kind of mosque with unique architecture. It has a significant historical story but if you are not really into history of İslam, I think you wouldn't find it interesting.

Graves of 3 sahaba. Very simple and intimate masjid. Worth visiting if you are spiritually connected. Easy to get to from karakoy tram stop. A short walk along the waterfront..

Karaköy Sahile 50 metre Mesafede bulunan Yer Altı cami Bizans döneminde Galata Sur Mahzeni olarak kullanılmış Ve Kuşatmada Haliçe gemilerin girişini Engellemek için çekilmiş Dünyaca ünlü Zincirin bağl