Where was footage from the role playing game convention in the "Fellowship of the Dice" filmed?
Fellowship of the Dice:  It combines interviews and scenes from Strategicon 2004 a real-life role playing game convention with a fictional account (mockumentary) of a game with the players portrayed by actors. Strategicon: Strategicon is a series of gaming conventions held in Southern California, focusing on role-playing games, Board Games, card games and miniatures gaming.
Southern California