Topkapi Palace ongoing being the residence from the Ottoman sultans for about 350 yrs, right up until the early 1850s. Because the palace has become pretty insufficient for the needs which include ceremonies and protocol, sultans moved for the Dolmabahce Palace, which is positioned in Besiktas, Bosphorus shores. Hagia Sophia: https://peterc962eeb6.wikitron.com/user