MUSEUM TICKET IS NOT INCLUDED. This is a private guided tour where You can just enjoy the flexibility of it, so you can fully experience the basilica cistern with your local licenced tour guide.
it was built during the rulership of Justinianus the first in 6 century in order to provide water and greatly enlarged by the emperor of justinian.There are more than 60 underground of cisterns underneath of the streets and underground of the istanbul houses. And you will be seeing a mythological belief of the Medusa statues from the 4th century in Basilica Cistern.
You will make your own way to the meeting points