The Ismailia Mosque was built in the Fatih district of Istanbul in 1723 by Sheikh Al-Islam Ismail Effendi, and his building is one of the examples of the transition from Ottoman architecture in the Tulip era to the Baroque style, as it includes a central dome and three small domes on its sides, and there are two carved marble altars In the wall on both sides, it was built according to the dimensions of the Kaaba in terms of width, length and height.