HAGIA SOPHIA
Hagia Sophiais a mosque and a major cultural and historical site in Istanbul, Turkey. The last of three church buildings to be successively erected on the site by the Eastern Roman Empire, it was completed in 537 AD. It was an Eastern Orthodox church until the Ottoman conquest of Constantinople in 1453, then a mosque until 1935, then a museum and then from 2020 a mosque again, as well as being a Catholic cathedral for some decades after the Fourth Crusade of 1204.
BLUE MOSQUE
The Blue Mosque in Istanbul, also known by its official name, the Sultan Ahmed Mosque (Turkish: Sultan Ahmet Camii), is an Ottoman-era historical imperial mosque located in Istanbul, Turkey. It was constructed between 1609 and 1617 during the rule of Ahmed I and remains a functioning mosque today. It also attracts a large number of tourists and is one of the most iconic and popular monuments of Ottoman architecture.
The mosque has a classical Ottoman layout with a central dome surrounded by four semi-domes over the prayer hall. It is fronted by a large courtyard and flanked by six minarets. On the inside, it is decorated with thousands of Iznik tiles and painted floral motifs in predominantly blue colours, which give the mosque its popular name. The mosque's külliye (religious complex) includes Ahmed's tomb, a madrasa, and several other buildings in various states of preservation.
The mosque was built next to the former Hippodrome and stands across from the Hagia Sophia, another popular tourist site. The Blue Mosque was included in the UNESCO World Heritage Site list in 1985 under the name of "Historic Areas of Istanbul".
TOPKAPI PALACE
The Topkapı Palace is a large museum and library 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.
BASILICA CISTERN
The Basilica Cistern is the largest of several hundred ancient cisterns that lie beneath the city of Istanbul, Turkey. The cistern, located 150 metres (490 ft) southwest of the Hagia Sophia on the historical peninsula of Sarayburnu, was built in the 6th century during the reign of Byzantine Emperor Justinian I.Today it is kept with little water, for public access inside the space.
GRAND BAZAAR
The Grand Bazaar in Istanbul is one of the largest and oldest covered markets in the world, with 61 covered streets and over 4,000 shops on a total area of 30,700 m2, attracting between 250,000 and 400,000 visitors daily.In 2014, it was listed No.1 among the world's most-visited tourist attractions with 91,250,000 annual visitors.The Grand Bazaar at Istanbul is often regarded as one of the first shopping malls of the world.
