These are the local chapters of the fan club:

USA:

https://www.facebook.com/dreamtheaterusa

Canada:

https://www.facebook.com/Dream-Theater-Canada-102709631188536/

Italy:

https://www.facebook.com/YtseItalia2.0/  and https://www.facebook.com/groups/soloesempredt/

France:

http://blog.yourmajesty.net/ and http://yourmajesty.forumserv.com/

Norway:

http://www.dtnorway.com, https://www.facebook.com/DTNorway/ and https://www.facebook.com/groups/dtnorway/

Spain:

https://www.facebook.com/DreamTheaterEsp/

Argentina:

http://www.dreamtheater.com.ar/web/ and https://www.facebook.com/DreamTheaterArgentinaOficial/

Czech Republic & Slovakia:

http://www.systematicfans.eu/  and https://www.facebook.com/groups/systematic.fans/

Poland:

http://www.dream-theater.pl/  and https://www.facebook.com/MetropolisPL/

Romania:

https://www.facebook.com/DreamTheaterRomania/   https://www.facebook.com/groups/1412876425644104/

Belgium/Netherland/Luxembourg:

https://www.facebook.com/groups/DreamTheaterBenelux/

Australia & New Zealand:

https://www.facebook.com/Dream-Theater-Fan-Club-of-Australia-and-New-Zealand-109124315773107/

Israel:

http://www.dreamtheater.co.il/,  https://www.facebook.com/DreamTheaterIL and https://www.facebook.com/groups/DreamTheaterIL/

Colombia:

https://colombiandreamers.wordpress.com/ and https://www.facebook.com/DTColombia/

Brazil:

https://www.facebook.com/DreamTheaterYtsebr/ and http://dreamtheater.com.br/ (YtseBR)

Venezuela:

http://dreamtheater.com.ve/, http://facebook.com/dtcomve

Mexico:

https://www.facebook.com/DreamTheaterMexico/

Chile:

https://www.facebook.com/dtchile/

Ecuador:

https://www.facebook.com/DreamTheaterEcuadorFanClub/

Bolivia:

https://www.facebook.com/dreamtheaterbolivia/

http://dreamtheaterbolivia.blogspot.com

https://www.facebook.com/groups/boiviandreamsquad/

Philippines:

https://www.facebook.com/DreamTheaterPhilippines/