The norwegian larp portal: http://www.laiv.org/
A international chamber larp festival: http://www.grenselandet.net/ – In english
A larp organization in Oslo: http://www.laivfabrikken.no/english.html – English version
Nordic Larp – Websites in english
The Nordic Larp website: http://nordiclarp.org/
The nordic larp convention: http://www.knutepunkt.org/
See also the articles about Nordic Larp: http://www.electro-larp.com/tag/nordic-larp