1 (Faction) Burrow/Drone Collection
2 (Faction) Hideaway/Drone Cluster
3 (Faction) Refuge/Drone Gathering
4 (Faction) Den/Drone Gathering
5 (Faction) Yard/Drone Surveillance
6 (Faction) Rally Point/Drone Menagerie
7 (Faction) Port/Drone Herd
8 (Faction) Hub/Drone Squad
9 (Faction) Haven/Drone Patrol
10 (Faction) Sanctum/Drone Horde

NOTE: Each site has 4 versions and each version has 2 varieties.
Versions in terms of difficulty is (easiest first):
Normal name > Hidden (Name) > Forsaken (Name) > Forlorn (Name).