Atlanta United FC, commonly known as Atlanta United, is an American professional soccer club based in Atlanta that competes in Major League Soccer (MLS) as a member of the league's Eastern Conference. Founded in 2014, Atlanta United began play as an MLS expansion team in 2017, as the twenty-second team in the league. It is the first MLS franchise to be based in Atlanta, and the club plays home games at the Mercedes-Benz Stadium. Atlanta has set several league records for highest single-match and average attendance.