The Seoul World Cup Stadium, a.k.a. the Sangam Stadium, is a stadium used mostly for association football matches, located in 240, World Cup-ro, Mapo-gu, Seoul, South Korea. It was built for the 2002 FIFA World Cup and opened on November 10, 2001. It is currently the second largest stadium in South Korea after Seoul Olympic Stadium, and is the second largest rectangular stadium in Asia, with a capacity of 66,704 seats. Wikipedia