A NOC is a National Olympic Committee. Basically what they do is they represent a country, and it is up to them to decide which athletes participate in the Olympic games from the country. They also nominate their cities for candidates for future Olympic game venues.
204 nations or National Olympic Committees (NOCs) participated in the 2012 London Olympics.
There are 204 different countries or National Olympic Committees NOCs as they are called
There were a total of 40 NOCs or nations and 200 athletes
More than 10,000 athletes from 204 National Olympic Committees (NOCs) participated.
Around 10,500 athletes from 204 National Olympic Committees (NOCs) took part.
All but one of the IOC's 205 National Olympic Committees (NOCs) are represented in Beijing.
More than 10,000 athletes from 204 National Olympic Committees (NOCs) participated.
A total of 40 countries or NOCs had at least an athlete in the Qualification for the Equestrian events
204 National Olympic Committees (NOCs) or countries took part in the 2012 London Olympics. There names and the number of athletes can be found at the related
204 Around 10,500 athletes from 204 National Olympic Committees (NOCs) are expected to participate
Not under a Vatican City flag. There are 202 nations/independent territories/ commonwealths/ protectorates and geographical areas that have been issued 3-letter abbreviations (trigram) by the International Olympic Committee. The trigrams are issued to countries with National Olympic Committees (NOCs). NOCs are in place to ensure the nations best athletes attend the Olympics. Vatican City does not have a NOC and so its athletes cannot compete as Vatican City athletes.
There were 19 NOC that medaled in swimming events. 166 of the 204 NOCs had athletes in the 34 swimming events see related link