Hello, Traveller.
I'm pleased to be of service to you!
Regarding the [quest] issue you mentioned, it has been confirmed that the place on the map has not been unlocked due to the uncompleted quest conditions.
We suggest that you explore the corresponding area on the map as this is part of the game exploration experience.
It is also recommended that you communicate and discuss with other travellers, or refer to the the game tips from other Travelers in the forums.
If you need any further assistance or help, please don't hesitate to contact us.
Thank you.