is the most renowned Byzantine Cathedral and the best known Christian church in Istanbul.
Blue Mosque
is the best interior designed mosque in ottoman architecture with its 20.000 pieces Iznik tiles. It is unique with its minarets.
Hippodrome
was the horseshoe in shape.
Grand Bazaar
is the largest covered market in Istanbul. It contains a mosque , a mescid ( chapel mosque ) , 21 hans , 2 bedestans, 7 fountains and more than 4000 shops.