Six National Olympic Committees have applied to host the second Summer Youth Olympic Games in 2014, with the deadline for submissions being extended to 1st April.
China, Indonesia, Mexico, Morocco, Poland and Turkey have submitted applications according to the International Olympic Committee.
China is proposing Nanjing as its candidate city, while Indonesia submitted Jakarta and Poland listed Poznan.
The IOC extended the deadline to April 1 for the other countries to nominate their proposed host cities.
Submission of detailed bid files is due by Sept. 4. The IOC executive board will select a list of finalists in December, and the full IOC will choose the host city at its session in Vancouver in February 2010.
The inaugural Youth Olympics will be held in Singapore in 2010, with the Austrian city of Innsbruck hosting the first Winter Youth Games in 2012.
The Youth Olympics is a personal project of IOC president Jacques Rogge, who is seeking to combat youth obesity and encourage young people to participate in sport.