HUB
From Ymirheim Wiki
Hubs are places where the players tend to meet to perform a wide variety of actions (sending/receiving mail, buying/selling items, using the auction, visiting a blacksmith or a zoologist, staying in an inn and using a wide variety of services that the Rune-Midgarts Kingdom's organizations can provide.
Hubs are also more safer plin aces compare to vast fields filled with monsters.