The Blue Mosque or Sultan Ahmed Mosque is one of the imperial mosques of Istanbul from the 17th century. It has more than 20,000 blue tiles, which is why it is known as the Blue Mosque. Women must cover their shoulders, hair, legs, arms and hair and men must wear appropriate clothing with pants that cover their knees.

Constantinople Hippodrome is the sports and social center. Currently it is a square called Sultan Ahmet Square. To improve the image of his new capital, Constantine and his successors, most notably Theodosius the Great, brought works of art from all corners of the empire to adorn it. Among them was the Tripod of Plataea, currently known as the Serpent Column, an obelisk from Egypt and In the 10th century, Emperor Constantine VII built another obelisk, that of Constantine, at the other end of the hippodrome. It was originally covered with gilded bronze plates but they were stolen during the Fourth Crusade, leaving the interior built with stone blocks visible.

Hagia Sophia or Hagia Sophia is an ancient Christian basilica, later converted into an Orthodox church, later into a mosque, then into a museum and, since August 1, 2020, again into a mosque and at the end the ground floor is the mosque that does not Tourists are allowed to enter and the first floor is a museum.

The Basilica Cistern is the largest of the 200 ancient cisterns built under the city. The cistern provided water for the Great Palace of Constantinople. Between 1985 and 1987, it was cleaned, 50,000 tons of mud were removed, and it was restored, preparing it for tourist visits.

The Grand Bazaar is the largest bazaar in the city and one of the largest and oldest bazaars in the world. It has more than 58 streets and 4,000 stores. It receives between 250,000 and 400,000 visitors daily. With many business areas, including jewelry, goldsmiths, spice stores, carpets and leather jackets. Businesses that are grouped by type of activity, in a union plan.