Interactive Map
Thanks to the following websites for contributing data:
https://www.meetup.com/topics/fountain-pens/
https://stationery.wiki/List_of_Pen_Clubs
https://fpquest.com/fountain-pen-clubs/
http://www.fountainpenday.org/resources/clubs/
Also a big thank you to Diana Dai of the Nib Section Podcast for helping to fill us in on the Australia and Asian Pacific pen club scene.