Mens and womens international matches will be held at the Stadium and watched by television viewers around the world.
Some of the encounters from the closing stages of the competition will take place at the Millennium Stadium giving the people of Wales an opportunity to watch action from near the climax of the competition.
The Chief Executive of LOCOG, Paul Deighton, headed up the visit to Wales and met senior officials from the WRU and the Millennium Stadium including the WRU Chairman David Pickering along with officials from the Welsh Assembly Government.
They met to discuss the plans for Cardiff to feature in the Olympic Games before David Pickering and Millennium Stadium Manager, Gerry Toms, led them on a tour of the city centre building.
David Pickering said:”It was a very positive meeting and we are delighted at the prospect of bringing such important action from the Olympic Games here to Wales at the Millennium Stadium.
“We own and operate a magnificent stadium and we are excited at the prospect of it being featured in television coverage of such an important worldwide sporting tournament as the Olympic Games.”