The Philadelphia Phillies are an American professional baseball team based in Philadelphia. The Phillies compete in Major League Baseball (MLB) as a member club of the National League (NL) East Division. Since 2004, the team's home stadium has been Citizens Bank Park, located in the South Philadelphia Sports Complex.

The National League approved a new franchise for Philadelphia to begin play in 1883, at its annual meeting in Providence on December 7, 1882. The Phillies are the oldest, continuous, one-name, one-city franchise in American professional sports and one of the most storied teams in Major League Baseball.