I’m not really involved in it, but @Mad-Hatter, who’s already contacted you, is.
There are currently a number of open threads about the subject - Try these:
https://forums.atlas-65.com/t/etarc-hub-location-discussion/
https://forums.atlas-65.com/t/the-hub-capital-designing-and-building-our-home/
https://forums.atlas-65.com/t/etarc-hub-naming-conventions-active-polls/