From WoWWiki

Warcraft-related websites Official sites • Wikis • English fansites • Other language fansites Forum trackers • Guild website utilities Patch mirrors • RSS feeds An official site refers to a web site published by a game developer. This typically portals to news about current and upcoming products, support for billing and technical concerns, and general gameplay information.

Official WoW Sites

• US – Website / Forums
• EU – Website (en), (de), (fr), (es)  /  Forums (en), (de), (fr), (es)
• China – Website
• Korea – Website / Forums
• Taiwan – Website
• MySpace – Website

Official Blizzard Sites

• Blizzard – Website
• Sons of the Storm - Warcraft art from Blizzard artists Samwise, Metzen, Twincruiser, Thammer, and Raneman