You should be able to fill in
how much you want upon registration (that is, I could choose whether I wrote "Crookes, Sheffield, UK" or "Sheffield, UK" or simply "UK" or even nothing at all.
For the sake of argument, let's say I chose to type in "Sheffield, UK". Then, each time I posted, it would automatically say, "Location: Sheffield, UK" next to my UserName. (In the case of me choosing not to say, it would just say, "Location: Prefers not to say" or "Location: Did not disclose".
So the bottom of a post would look like this:
IndieSinger Fri 17/09/04
Location: Sheffield, UK