Lambeau Field is an outdoor athletic stadium in the north central United States, located in Green Bay, Wisconsin. The home field of the Green Bay Packers of the National Football League, it opened in 1957 as City Stadium, replacing the original City Stadium at Green Bay East High School as the Packers' home field. Informally known as New City Sta…Lambeau Field is an outdoor athletic stadium in the north central United States, located in Green Bay, Wisconsin. The home field of the Green Bay Packers of the National Football League, it opened in 1957 as City Stadium, replacing the original City Stadium at Green Bay East High School as the Packers' home field. Informally known as New City Stadium for its first eight seasons, it was renamed in August 1965 in memory of Packers founder, player, and long-time head coach, Earl “Curly” Lambeau, who had died two months earlier.