The Olympic Complex in the final stages of construction (Satellite Photograph).

The Athens Olympic Sports Complex is the central group of facilities for the 2004 Summer Olympic. The complex has been revamped for the games under a design produced by the Spanish architect Santiago Calatrava. It is situated at Maroussi, northeast Athens, Greece.

The olympic complex after the aesthetic renovation by the Spanish architect Sandiago Calatrava from http://www.sxc.hu

It consists of five different venues:

• The 74,767-seat capacity Olympic Stadium. (Capacity reduced to 72,000 seats during the Olympics)
  
• The Olympic Indoor Hall which hosted some of the gymnastics events and the finals of the basketball.
  
• The Olympic Aquatic Centre which hosted diving, swimming, synchronized swimming, and water polo events.
  
• The sixteen court Olympic Tennis Centre.
  
• The 5,250 capacity Olympic Velodrome which was the site of the track cycling events.