The Olympic Zone, seven minutes from central London by train, is approximately 2 km² and will contain:
- The Olympic Stadium, with a capacity of 80,000 will host the opening and closing ceremonies and all of the track and field events.
- The Aquatics Centre, which will host diving, swimming, synchronised swimming and water polo. The spectator capacity will be 17,500
- The London Velopark, which has a 6,000 seat indoor velodrome for track cycling and a 6,000 seat outdoor BMX racing track.
- The Olympic Hockey Centre will host the hockey. with both 15,000 and 5,000 seat arenas,
- Two indoor arenas:
- Basketball Arena - 12,000 capacity for basketball and handball semi-finals and final
- Handball Arena - 6,000-7,000 capacity for handball prelims and quarter finals and modern pentathlon shooting and fencing
- The Olympic Village, with accommodation for all athletes and team officials (some 17,320 beds in total). After the games the village will become a district of the Stratford City development, a multi-billion pound development project on the former railway goods yard to the east of the Olympic Park. (Accredited technical officials — referees, umpires, etc. — will be housed in hotel space in London Docklands).
- The Olympic Press and Broadcast Centres.
- A tennis training centre.
The River Zone will feature five main venues in the Thames Gateway area straddling the River Thames:
- The ExCeL Exhibition Centre, for boxing, fencing, judo, table tennis, taekwondo, weightlifting, and wrestling. Four separate arenas will be used with capacities between 6,000 and 10,000.
- The O2 arena in The O2 (formerly the Millennium Dome) and Greenwich Arena, for badminton, basketball, and gymnastics. The O2 arena should host around 20,000 spectators with the temporary arena holding 6,000. The O2 will be officially known as North Greenwich Arena 1, due to IOC sponsorship regulations.
- Greenwich Park, for equestrianism.
- The Royal Artillery Barracks, for shooting.
The Central Zone will consist of all the venues within Greater London. They are quite widely spread across central and West London:
- Wembley Stadium for the football finals
- The All England Lawn Tennis and Croquet Club at Wimbledon for tennis.
- Lord's Cricket Ground for archery.
- Regent's Park for road cycling.
- Horse Guards Parade for beach volleyball.
- Hyde Park for the triathlon.
- Earls Court for the volleyball.
The 2012 Olympic Marathon Course will circuit much of the Central Zone, starting at Tower Bridge, and finishing at the Olympic Stadium in the Olympic Zone.
Outside Greater London
Portland Harbour at Weymouth and the Portland National Sailing Academy will be hosting the sailing events
Three other venues will be outside of Greater London:
- Broxbourne, Hertfordshire will be for canoe and kayak slalom
- Dorney Lake, Buckinghamshire, will be for rowing, canoe and kayak flatwater
- Mountain biking will be located at Hadleigh Country Park in Essex.
The Weymouth and Portland National Sailing Academy, in Portland Harbour, Dorset on the south coast of England, will be used for the sailing events. It is around 120 miles from central London.
The Millennium Stadium in Cardiff will host some of the football.
The initial stages of the football competition will be played at football stadiums around the United Kingdom including
- Hampden Park in Glasgow
- Millennium Stadium in Cardiff
- Old Trafford in Manchester
- St James' Park in Newcastle
- Villa Park in Birmingham