You start at the Shipwreck. From there you are free too move, But beware there are some things you might want to know first.
The Tree of live, Rooms
Once Your Character will arrive at the Tree of Life he or she can choose an room. This room can be shared with 2 or 3 people. Nobody has their own rooms.
The Temple of Chaos
Your Character is allowed to visit the The temple of chaos. You Character can go to The Altar. But you cannot enter the secret chamber or the viewpoint yet.