Miami is a major center and leader in ﬁnance, commerce, culture, media, entertainment, the arts, and international trade. It is one of the largest concentrations of international banks in the United States, and is home to many large national and international companies. Port Miami is the busiest cruise port in the world in both passenger trafﬁc and cruise lines and refers to itself as the "Cruise Capital of the World. It is also a major tourism hub for international visitors, ranking second in the country after New York City. Miami is split roughly into north, south, west and Downtown areas. The heart of the city is Downtown Miami, which is on the eastern side and includes the neighborhoods of Brickell, Virginia Key, Watson Island, as well as Port Miami.