Miami, officially the City of Miami, is Miami-Dade County's capital, and South Florida's cultural, economic and financial hub in the U.S. The town covers an area of 56 square kilometers. Miami is the United States' sixth most heavily populated big city. With over 300 high-rises, the city has the third highest skyline in the U.S. Miami is a major political, industrial, cultural, arts, and international trade hub and leader. The metro area is by far Florida's largest metropolitan market, and the 12th largest in the Country. Miami is home to many major national and foreign corporations and has one of the highest concentrations of multinational banks in the United States.