From press release.To establish a foothold on Draenor once they’ve arrived, the displaced champions of the Horde and Alliance will be able to construct their own Garrison, an expandable, customizable stronghold that will serve as each player’s personal base of operations throughout the course of the expansion. As the Garrison grows, players will be able to recruit NPC allies and followers to take up residence, gathering resources and embarking on missions on the player’s orders
Edit: From front page now