fanfest

noun

1. An event held for fans.

   “Fans of the genre frequently gather at comic book and sci-fi fanfests, which often screen Japanimation films.”

   “Fanfests are increasingly popular, offering offseason weekends celebrating the team and its players and offering sponsors opportunities...”

   “Since it's a fanfest, there are plenty of autographing and meet-the-musician events in beautiful, shady English Park...”

   “SAN FRANCISCO, Jan. 19 — This should have been a feel-good event, part of a fanfest weekend being staged by the San Francisco Giants .”