A Go club (Gokaisho in Japanese) is a place where Go players meet.
There are online Go clubs on several Go servers. Generally, we refer to a club when people meet in real life. The following pages describe different aspects of a Go club.
Setting up a Go club
Equipment
Go club activities
Teaching Go to newcomers (see Teaching go to newcomers / Discussion)
Go places
Places without a Club
Club Success stories
The Dutch have a manual for clubs (in Dutch): http://www.gobond.nl/Handboek/InhoudHandboek1997.htm.
The American Go Association offers some "how to start a club" articles: http://www.usgo.org/resources/startclub.asp.