The Miami metropolitan area is the seventh-largest metropolitan area in the United States and the 72nd largest metropolitan area in the world. At 1,279.2 sq mi of urban landmass it is one of the most populous urban agglomerations in the world. The City of Miami is the financial and cultural core of the metropolis. The metropolitan area includes Miami-Dade, Broward, and Palm Beach counties which are the first, second, and third most populous counties in Florida. Miami-Dade, with 2,716,940 people in 2019, is the seventh most populous county in the United States. The three counties together have principal cities including Miami, Fort Lauderdale, Pembroke Pines, West Palm Beach, Hialeah, Hollywood, and Boca Raton. It sits within the South Florida region, which includes the Everglades and the Florida Keys. It is also synonymous with an area known collectively as the "Gold Coast".
With 6,166,488 inhabitants as of 2019, the three counties collectively make up the Miami metropolitan area which is the most populous in Florida and the second largest in the southeastern United States. Greater Miami includes a larger area defined by the United States Census Bureau as the Miami-Port St.