Patch 5.0 Notes

[Seraphor]

So are there less areas than the previous expansions? It seems like there are 4 vs 6 or am I missing two?

If you mean the screenshot showing the four zones, there's already a fifth we know of, so that's not a complete list.
The fact that there's a sixth slot available leads us to believe there's a sixth undisclosed area, kinda like Azys Lla (although we had found out about Azys Lla by this point)