Hagia Sophia is considered a unique monument in world architecture, and its magnificence and functionality has been a good example in construction of countless Ottoman mosques. Hagia Sophia with its exceptional history constitutes a synthesis between east and west. This monument is one of the wonders of the world that has remained intact until the present day. One can find many attractions in Hagia Sophia – interesting forms of Byzantine architecture, mosaics of the Christian period as well as structures added during the Ottoman era.

The Byzantine emperors loved nothing more than an afternoon at the chariot races, and this rectangular arena alongside Sultanahmet Park was their venue of choice. In its heyday, it was decorated by obelisks and statues, some of which remain in place today. Re-landscaped in more recent years, it is one of the city's most popular meeting places and promenades.

The Blue Mosque (Called Sultanahmet Camii in Turkish) is an historical mosque in Istanbul. The mosque is known as the Blue Mosque because of blue tiles surrounding the walls of interior design.Mosque was built between 1609 and 1616 years, during the rule of Ahmed I. just like many other mosques, it also comprises a tomb of the founder, a madrasa and a hospice.Besides still used as a mosque, the Sultan Ahmed Mosque has also become a popular tourist attraction in Istanbul.

One of Istanbul's splendid historical buildings is the Basilica Cistern, located southwest of Hagia Sophia. This large underground cistern, built by Byzantine Emperor Justinian I (527–565), was popularly known as the "Yerebatan Palace" due to the marble columns rising from the water, which give the impression of a palace. It is also known as the Basilica Cistern because a basilica once stood at the location where the cistern was built.

One of the oldest and largest covered markets in the world, the Grand Bazaar dates from the 15th century. Having more than 4000 shops, the Grand Covered Bazaar is visited by the tourists and the citizens regularly. The most important historical shopping center of Istanbul is the Grand Bazaar, which has gates opening to many areas of the Historic Peninsula. First time visitors to the Grand Bazaar will be astounded by its splendor and size.

Once the residence of Ottoman sultans, Topkapi Palace stands as a symbol of imperial grandeur. We'll explore its impressive first courtyard and admire the grand gates and architecture from the outside, with the option to visit the interior if time permits.