The Miami Dolphins are a professional American football team based in the Miami metropolitan area. The Dolphins compete in the National Football League (NFL) as a member of the league's American Football Conference (AFC) East division. The club plays its home games at Hard Rock Stadium, located in the northern suburb of Miami Gardens, Florida. The Dolphins are the oldest professional sports team in Florida. Of the four AFC East teams, Miami is the only team in the division that was not a charter member of the American Football League (AFL).