Which location, Nusretiye Mosque and Dolmabahçe Palace served as the main administrative center of the Ottoman Empire from 1856 to 1887 and 1909 to 1922?
Nusretiye Mosque Nusretiye Mosque is an ornate mosque located in Tophane district of Beyoğlu, Istanbul, Turkey. While its architecture is influenced by Islamic elements, it retains a Baroque style, making it unique to the city. It was built in 1823-1826 by Sultan Mahmut II.
King Abdul Aziz Historical Centre The King Abdul Aziz Historical Centre is a region in the city of Riyadh, the capital of Saudi Arabia. It is not the "historic center" of the city as this lies to the south around Masmak fort and the main Friday Mosque" in the Dira district. The origin of the "King Abdul Aziz Historical Centre" is the former compound of the Murabba' Palace, that was built in 1936/37 by King Abdul Aziz about one and a half kilometers to the north of the old city and well outside of the then still existing city walls.