Perhaps it has some historical role and value for the Turks. For tourists, it is incomprehensible, abandoned or simply closed and has not been used for a long time. It is convenient to make an appointment - one in the middle of the site stands in front of the Topkapi entrance.
The fountain is beautiful, the place is very popular, it was at different times of the day, I especially liked how it looks at night when the backlight turns on)