The Grand Çamlıca Mosque currently is the biggest mosque in Turkey. It is a huge complex for Islamic worship which was completed and opened on 7 March 2019. The mosque stands astride Çamlıca Hill in the Üsküdar district of Istanbul, and is visible from much of the centre of the city. The complex incorporates an art gallery, library, and conference hall. It can hold up to 63,000 worshippers at a time (can accommodate up to 100,000 people in case of an earthquake).