San Francisco, officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.5 million people which includes San Jose and Oakland. The only consolidated city-county in California, it encompasses a land area of about 46.9 square miles (121 km2) on the northern end of the San Francisco Peninsula, giving it a density of about 17,179 people per square mile (6,632 people per km2). It is the most densely settled large city (population greater than 200,000) in the state of California and the second-most densely populated large city in the United States after New York City. San Francisco is the fourth most populous city in California and the 13th most populous city in the United States, with a population of 805,235 as of the 2010 Census. The San Francisco-Oakland-Fremont metropolitan area has a population of 4,335,391.

New York City is the most populous city in the United States and the center of the New York metropolitan area. The city has a significant impact on global commerce, finance, media, culture, art, fashion, research, education, and entertainment. As host of the United Nations Headquarters, it is also an important center for international affairs. The city is often referred to as ''New York City'' or the ''City of New York'', to distinguish it from the state of New York, of which it is a part. Located on a large natural harbor on the Atlantic coast of the Northeastern United States, New York City consists of five boroughs: The Bronx, Brooklyn, Manhattan, Queens, and Staten Island. 

Fort Lauderdale is a city in the U.S. state of Florida, 28 miles (45 km) north of Miami. The city is a popular tourist destination, with an average year-round temperature of 75.5 °F (24.2 °C), and 3,000 hours of sunshine per year. Greater Fort Lauderdale which takes in all of Broward County hosted 12 million visitors in 2012, including 2.8 million international visitors. The district has 561 hotels and motels comprising nearly 35,000 rooms. Greater Fort Lauderdale has over 4,000 restaurants, 63 golf courses, 12 shopping malls, 16 museums, 132 nightclubs, 278 parkland campsites, and 100 marinas housing 45,000 resident yachts. Fort Lauderdale is named after a series of forts built by the United States during the Second Seminole War. The forts took their name from Major William Lauderdale (1782–1838), younger brother of Lieutenant Colonel James Lauderdale. William Lauderdale was the commander of the detachment of soldiers who built the first fort.