The Süleymaniye Mosque is an Ottoman imperial mosque located on the Third Hill of Istanbul, Turkey. The mosque was commissioned by Suleiman the Magnificent and designed by the imperial architect Mimar Sinan. An inscription specifies the foundation date as 1550 and the inauguration date as 1557. Behind the qibla wall of the mosque is an enclosure containing the separate octagonal mausoleums of Suleiman the Magnificent and his wife Hurrem Sultan (Roxelana). For 462 years, the Süleymaniye Mosque was the largest mosque in the city, until it was surpassed by the Çamlıca Mosque in 2019. The Süleymaniye Mosque is one of the best-known sights of Istanbul, and from its location on the Third Hill, it commands an extensive view of the city around the Golden Horn.
The Topkapı Palace or the Seraglio,is a large museum in the east of the Fatih district of Istanbul in Turkey. From the 1460s to the completion of Dolmabahçe Palace in 1856, it served as the administrative center of the Ottoman Empire, and was the main residence of its sultans. (Source: Wikipedia)
Hagia Sophia, officially the Hagia Sophia Grand Mosque (Turkish: Ayasofya Camii), is a mosque and major cultural and historical site in Istanbul, Turkey. The mosque was originally built as an Eastern Orthodox church and was used as such from the year 360 until the conquest of Constantinople by the Ottoman Empire in 1453. It served as a mosque until 1935, when it became a museum. In 2020, the site once again became a mosque. (Source: Wikpedia)
