The Lalali Mosque is located in the Lalali district of Al Fateh Province in the European section of Istanbul.
The building was built and built by Mohammed Taher Agha in 1760 - 1764 AD during the reign of Sultan Mustafa III. The Mosque was derived from the name of Lalali Baba, who was Sultan Mustafa III considered by him to be his guardian. The mosque was built on a religious complex consisting of a school, a mosque, an orchard, a market, shops, a water fountain, a cemetery, a hostel and a wax factory. Later, the compound was added to a temporary house.
The complex, showing the classic and baroque building styles, was damaged in the 1765 earthquake and restored in 1782.
The complex contains a large courtyard surrounded by 18 dome, and has three entrances, and there is a beautiful Shadroun (fountain) in the middle. The mosque was built in a square shape and covered with a large dome, in which there are 24 window openings and six semi-vaults. The lighting of the mosque is secured by 105 windows. During the road works that took place in 1957 and 1958, the square of the mosque was lost in its original form, where the big door was brought back and the shops located under the square were now in their current shape. The school was hit in 1894 by the earthquake and in 1911 the fire, which was damaged and prevented its arrival today. While the path and the cemetery are located on the outskirts of Bordeaux Street. The tombs of Sultan Mustafa III and Sultan Salim III are located in this cemetery. The path built on a circular base is composed of curved windows overlooking the street.