AASF 2011 is a sport swimming event, the event named Asian Age Group Championships. Many countries around Asia participating in this event, such as Japan, Malaysia, Singapore, Vietnam, Hongkong, Macau, India, Uzbekistan, Kazakhstan, and many many more countries around Asia. This is an event before Indonesia ready to host the Sea Games at November 2011. The swimming sports that being compete here are Diving, Synchronized Swimming, Marathon Swimming, and Water Polo. This event taken place at Lumban Tirta, Palembang, and Aquatic Stadium Senayan, Jakarta.