It's a thaig long forgotten, which explains why there isn't any dwarfs in it and there wasn't that many dwarfs in DA2 to talk too so yeah..
DA:I there seem to be more dwarfs to talk too.
Well yeah, technically it's a thaig, but that's kind of beside the point. I am interested in talking to dwarves and getting involved in things like the caste system again... I mean, if all I cared about was the environment...
Well, the Carta certainly has its own culture. It is the dwarven mafia, after all. 
Well, there is that... frankly, I'd prefer the Dwarven Merchants' Guild since the Carta has been extremely hostile for two games now... although that's probably not going to be the case for Cadash Inquisitors. Not initially, at least...