IMPORTANT: the groups of our world were created by us - players - NOT game developers. it's NOT official! it's just to help us talk here on forums and get trading and continental stuff like that done.
now, to find what group you are in:
1. while in game, check who are the
top players in your continent. those are #1 - #6 people in your social bar (that thing a the bottom).
2. go
here - in the first post of that thread the groups are specified. just find your top players and you know which group you are in.
2b. if you cannot find your top players anywhere in the table, just post those names in this thread and we will create a new group.
3. to trade/talk with your group, find appropriate thread in
Brisgard section of forum.
and if you have any questions - ask away!