Hagia Sophia was built as most impressive royal curch of 6th century. It had been used as a church nearly a thousand years and converted to a mosque during Ottoman period. After foundation of Modern Turkey, It was converted to a museum. But nowadays, It has been used as a mosque again.

Topkapı Palace was built just behind of Hagia Sophia after conquest of Istanbul in 1460s. Ottoman Empire had been ruled from Topkapı Palace for 450 years until building Dolmabahce Palace in 19th century. It is best place to see finest quartz İznik tiles especially in Harem section. I have a priority to skip ticket line as a licensed tour guide.

Blue Mosque or Sultanahmet Mosque is another impressive building had been built in 1615. Because of blue quartz iznik tiles decorated in interior of Mosque, Visitors have called it as Blue Mosque.

It is an underground cistern. There is an impressive Byzantine Architectural building under the ground. It is very famous with Medusa head figures. I have a priority to skip the ticket line as a licensed tour guide.

Ancient hippodrome where Byzantines had Horse chariot racings and meetings had witnessed many meetings, weddings, coronations, violances. We can see Egyptian obelisk, Constantine column, Serpentine column and German Fountain in Ancient Hippodrome area in old city.

Grand Bazaar is the main attraction side with 4500 stores, 67 streets inside. It is good idea to visit Grand Bazaar with a tour guide first. Otherwise it can become an overwhelming place for guests.