Please also check my Trip Advisor page, "Ali's Protravel & Tours," where we have received 289 five-star ratings and reviews.

This cultural experience will be about 6 hours and will help you to explore the city with your private tour guide without any set tour plan.. You will have 6 hours time and a nice, compatible private guide who will be ready to take you to wherever you want. Historical sites for culture and history, or historical bazaars for shopping, or traditional restaurants serving typical Turkish restaurants. May be all in one tour... As you walk, you'll learn the history of this contemporary city and its ancient roots. Tour starts at 10am. at Sultanahmet and will end somewhere in the Old city area after 6 hours. No museum tickets or lunch or drink etc included. Everyday except for Sunday.

https://www.tripadvisor.com/Attraction_Review-g293974-d3570940-Reviews-Ali_s_Protravel_Tours-Istanbul.html

Istanbul Customized Tour - Private