Undoubtedly, the most striking feature of Istanbul’s history is that it was the capital of three universal empires such as the Roman, Byzantine and Ottoman Empires. M.S. In the 4th century, the Roman Empire expanded greatly; Due to its strategic location, Istanbul was chosen by the Emperor Constantine the Great as the new capital instead of Rome. The city was reorganized over 6 years, the walls were expanded, temples, official buildings, palaces, baths and hippodrome were built.

After its conquest by Mehmet the Conqueror in 1453, Istanbul was the capital of the Ottoman Empire for 470 years until 1923. Istanbul, which became the center of science, culture and art during the Ottoman period; mosques, synagogues and churches have attained a magnificent tolerance where they live side by side.

While the number of foreign tourists visiting Istanbul was 10 million 840 thousand 595 in total in 2017, this number increased by 24% and reached 13 million 433 thousand 101 in 2018.

In 2019, 14 million 906 thousand 663 tourists visited Istanbul.

Many different types of tourism can be seen together in Istanbul. It is possible to categorize them as culture, health, camping and caravan, shopping, education, cruise, sports and nature and faith tourism.

The relocation of the capital of the Republic of Turkey to Ankara did not change the importance of Istanbul, and the city, which has hosted different civilizations for centuries, has survived to the present day without losing its historical and cultural importance.