RMAH is now LIVE for Europeans as well.
Blizzard Blue Tracker: (June 15, 2012)
The Diablo III real-money auction house is now available in Europe. To access the real-money auction house, click on the "Auction House" button on the left-hand side of the campaign screen, and then on the button showing your region's currency in the upper right-hand corner of the auction house interface.
To learn more about the real-money auction house, be sure to check out the resources below:
Announcements and Updates: