This article is from the Go FAQ, by Morten PAHLE firstname.lastname@example.org with numerous contributions by others.
The following is a list of web sites, which will lead you to your
local Go-club. (I have purposely omitted all the national clubs in
Europe, since they are found through the given links anyway.)
South Africa <http://users.iafrica.com/h/hu/hunt/saga>
Australasia, Far East
Hong Kong <http://logic.csc.cuhk.edu.hk/~z044155/>
New Zealand <http://www.es.co.nz/~barryp/clubs.htm>
Europe, Near east
If you use the above references as starting points, but still cannot
find a place close to you, try posting a question to rec.games.go.