This is the Location view of the campaign database. Add new locations here and tag them with "locations" so they show up in this view. Add a map or artwork. Check out Dyson Logos's maps for a huge selection of excellent maps.
Map of Eberron:
https://www.worldanvil.com/w/eberron-awkwardrhombus12/map/3df74959-597b-45f2-b3bf-82b264d79138