My understanding is that the largest communities on non Balmung/Gilgamesh worlds seem to be Mateus for the NA crowd and Omega for the EU crowd.
There are certainly other servers with budding RP communities (Faerie included), but if you're looking for sheer numbers, those are your best bets.
There are certainly other servers with budding RP communities (Faerie included), but if you're looking for sheer numbers, those are your best bets.