The Perks of Being a Wallfower was filmed in Pittsburgh in the United States of America.
Peters Township High School stadium
In movie
Scene where Charlie is walking toward his friends to congratulate them on their graduation day.
Real
Scene was shot outside Peters Township High School Stadium.
Fort Pitt Tunnel
In movie
Scene where Charlie is standing in the back of the pickup truck while driving through the tunnel with Sam and Patrick.
Real
Scene was shot in a tunnel under the Monongahila River in Pittsburgh.
Pittsburgh