Jamroom is by its nature profile centric and groups are no different. The Groups module is located on a profile, so the URL of a group will look like this:
So if you are planning on having a single location for your entire site where all the groups are located, its good to set it up on its own profile with a relevant name.
Eg, perhaps create a profile called 'community'
so your URL for your groups becomes:
This can look more natural than on someones name profile