Tuzcubaba Mosque, located in the Beşiktaş district of Istanbul, was built by Tuzcubaşı Rum Ali Ağa during the reign of Fatih Sultan Mehmet. The mosque, we have no information about its architect, was built in the 15th century.
It is said that Rum Ali Ağa, who built the mosque, supplied salt to the army of Fatih Sultan Mehmet when there was a supply problem. It is an important structure; the Tuz Baba mosque is one of the first Turkish-Islamic works in the region.
Because the land on which it was built was sloppy, its construction was completed on an embankment. In the mausoleum of the mosque, which has a single minaret, there is the cist of Tuzcubaşı Rum Ali Ağa.
The modest courtyard of the mosque is paved with stones. In the mosque, which has a wooden roof, wooden stairs were used again. Some additional sections were made in later times to the mosque, whose original building was square.
Tuzcubaba mosque is also famous for its customs. Especially during Ramadan, the number of visitors to the mosque extensively increases and a very interesting tradition is experienced. In order for their prayers to be answered, visitors pray by pouring salt into a compartment at the door. It has also become another custom for passers-by to pray by eating a pinch of spilled salt.