Momella Lakes, Tanzania
Discovered by Leon
-3.22396, 36.913381
„This location can be seen at the start the Xbox gameplay trailer, and includes numerous fauna species. However, it is not marked on the world map. It could therefore be considered an easter egg. There is a small pier perfect for docking a small seaplane, and the area is surrounded by the beautiful Arusha National Park and nearby Mount Kilimanjaro.“
Source: https://flightspots.co/
Unfortunately that site seems to be shutting down its service (according to the „radar service terminated“ notification already by „end November 2022“).
UPDATE: If you want to get there - and elsewhere - conveniently: