The 125th IOC Session will take place in Buenos Aires

Buenos Aires

Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

, Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 in September 2013. The International Olympic Committee will meet to elect the host city of the 2020 Summer Olympics

2020 Summer Olympics

The 2020 Summer Olympics, officially known as the Games of the XXXII Olympiad, will be a major international sports and cultural festival, celebrated in the tradition of the Olympic Games....

 on September 7. They will also elect a new IOC President and will consider adding new sports for the 2020 Olympics.

Bidders

The IOC received two bids to host the 125th IOC Session. Buenos Aires

Buenos Aires

Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

 and Kuala Lumpur

Kuala Lumpur

Kuala Lumpur is the capital and the second largest city in Malaysia by population. The city proper, making up an area of , has a population of 1.4 million as of 2010. Greater Kuala Lumpur, also known as the Klang Valley, is an urban agglomeration of 7.2 million...

 made bids. Buenos Aires was elected host city at the 122nd IOC Session in Vancouver which took place prior to the Vancouver 2010 Olympics.

2020 Olympic host city election

The members of the IOC will elect the host city of the 2020 Summer Olympics

2020 Summer Olympics

The 2020 Summer Olympics, officially known as the Games of the XXXII Olympiad, will be a major international sports and cultural festival, celebrated in the tradition of the Olympic Games....

 on September 7, 2013. On May 23, 2012, the IOC will decide which cities will become candidates.

Applicant Cities

There are six applicant cities for the 2020 Summer Olympics. Of the six applicants, both Rome and Tokyo have previously hosted the Summer Olympic Games in 1960

1960 Summer Olympics

The 1960 Summer Olympics, officially known as the Games of the XVII Olympiad, was an international multi-sport event held from August 25 to September 11, 1960 in Rome, Italy...

 and 1964

1964 Summer Olympics

The 1964 Summer Olympics, officially known as the Games of the XVIII Olympiad, was an international multi-sport event held in Tokyo, Japan in 1964. Tokyo had been awarded with the organization of the 1940 Summer Olympics, but this honor was subsequently passed to Helsinki because of Japan's...

 respectively. The other four applicants have all made bids in the past.

In alphabetical order, the Applicant cities are:
Baku

Baku

Baku , sometimes spelled as Baki or Bakou, is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region. It is located on the southern shore of the Absheron Peninsula, which projects into the Caspian Sea. The city consists of two principal...

, Azerbaijan (Details

Baku bid for the 2020 Summer Olympics

Baku 2020 is a bid by the city of Baku to host the 2020 Summer Olympics. The IOC will announce the official candidate cities on May 23, 2012. The winning bid will be announced on September 7, 2013 at the 125th IOC Session in Buenos Aires. -History:...

) Doha

Doha

Doha is the capital city of the state of Qatar. Located on the Persian Gulf, it had a population of 998,651 in 2008, and is also one of the municipalities of Qatar...

, Qatar (Details

Doha bid for the 2020 Summer Olympics

Doha 2020 is a bid for the 2020 Summer Olympics launched by the city of Doha and the Qatar Olympic Committee. The IOC will announce the official candidate cities on May 23, 2012. The winning bid will be announced on September 7, 2013 at the 125th IOC Session in Buenos Aires...

) Istanbul

Istanbul

Istanbul , historically known as Byzantium and Constantinople , is the largest city of Turkey. Istanbul metropolitan province had 13.26 million people living in it as of December, 2010, which is 18% of Turkey's population and the 3rd largest metropolitan area in Europe after London and...

, Turkey (Details

Istanbul bid for the 2020 Summer Olympics

Istanbul 2020 is a bid by Istanbul, the largest city in Turkey, to be chosen by the International Olympic Committee to host the 2020 Summer Olympics....

) Madrid

Madrid

Madrid is the capital and largest city of Spain. The population of the city is roughly 3.3 million and the entire population of the Madrid metropolitan area is calculated to be 6.271 million. It is the third largest city in the European Union, after London and Berlin, and its metropolitan...

, Spain (Details

Madrid bid for the 2020 Summer Olympics

Madrid 2020 is an Olympic bid for the 2020 Summer Olympics launched by the city of Madrid and the Spanish Olympic Committee.The IOC will announce the official candidate cities on May 23, 2012. The winning bid will be announced on September 7, 2013 at the 125th IOC Session in Buenos Aires...

) Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

, Italy (Details

Rome bid for the 2020 Summer Olympics

Rome 2020 is a bid by the city of Rome to be chosen by the International Olympic Committee to host the 2020 Summer Olympics. The city previously hosted the 1960 Summer Olympics....

) Tokyo

Tokyo

, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

, Japan (Details

Tokyo bid for the 2020 Summer Olympics

Tokyo 2020 is a bid for the 2020 Summer Olympics launched by the city of Tokyo and the Japanese Olympic Committee. The IOC will announce the official candidate cities on May 23, 2012. The winning bid will be announced on September 7, 2013 at the 125th IOC Session in Buenos Aires...

)

IOC Presidential election

The IOC will elect a new IOC President at this session. The current president is Jacques Rogge

Jacques Rogge

Jacques Rogge, Count Rogge , is a Belgian sports bureaucrat. He is the eighth and current President of the International Olympic Committee .-Life and career:...

. His term ends in 2013 and is term limited. He has served as President since 2001 after he was elected at the 112th IOC Session in Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

. Rogge is the eighth IOC President.

New Sports

The IOC will consider adding new sports to the Summer Olympics at this IOC Session. The sports being considered are baseball

Baseball

Baseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...

, karate

Karate

is a martial art developed in the Ryukyu Islands in what is now Okinawa, Japan. It was developed from indigenous fighting methods called and Chinese kenpō. Karate is a striking art using punching, kicking, knee and elbow strikes, and open-handed techniques such as knife-hands. Grappling, locks,...

, roller sport

Roller sport

Roller sports are sports that use Human powered vehicles which utilize rolling either by gravity or various pushing techniques. Typically ball bearings and polyurethane wheels are used for momentum and traction respectively, and attached to devices or vehicles that the roller puts his weight on...

s, softball

Softball

Softball is a bat-and-ball sport played between two teams of 10 to 14 players. It is a direct descendant of baseball although there are some key differences: softballs are larger than baseballs, and the pitches are thrown underhand rather than overhand...

, sport climbing

Sport climbing

Sport climbing is a form of rock climbing that relies on permanent anchors fixed to the rock, and possibly bolts, for protection,...

, squash

Squash (sport)

Squash is a high-speed racquet sport played by two players in a four-walled court with a small, hollow rubber ball...

, wakeboarding

Wakeboarding

Wakeboarding is a surface water sport which involves riding a wakeboard over the surface of a body of water. It was developed from a combination of water skiing, snow boarding and surfing techniques....

, wushu

Wushu (sport)

The sport of wushu is both an exhibition and a full-contact sport derived from traditional Chinese martial arts. It was created in the People's Republic of China after 1949, in an attempt to nationalize the practice of traditional Chinese martial arts...

 and surfing

Surfing

Surfing' is a surface water sport in which the surfer rides a surfboard on the crest and face of a wave which is carrying the surfer towards the shore...

. There will be a maximum of 28 sports at the 2020 Summer Olympics.