Algeria at the 2011 World Championships in Athletics from August 17 to September 4 in Daegu, South Korea which has 2.5 million residents and is the second-largest city in Yeongnam after Busan and was overtaken by Incheon in the 200s.
It was overtaken by Incheon in the 2000s, but still it is said to be the third city according to the "Act on the Establishment of Daegu City and Incheon City" (Act No. 
