Yes, there is an International Gothic Association! It’s an academic society for the study of everything Gothic with a peer-reviewed journal Gothic Studies. According to their website:
The International Gothic Association unites teachers, scholars, students, artists, writers and performers from around the world who are interested in any aspect of gothic culture: fiction, drama, poetry, art, film, music, architecture, popular culture and technology. It promotes the study and dissemination of information on gothic culture from the mid eighteenth century to the contemporary moment. The only association of its kind, the IGA is the academic centre for people interested in an analysis of the gothic.