The following outline is provided as an overview of and topical guide to New York City: New York City – largest city in the state of New York and most populous city in the United States. New York City has been described as the cultural, financial, and media capital of the world, and exerts a significant impact upon the world's commerce, entertainment, research, technology, education, politics, and sports. If New York City were a country, it would have the 12th highest GDP in the world. It is the most economically powerful city and the leading financial center of the world — anchored by Wall Street in the Financial District of Lower Manhattan, and home to the world's two largest stock exchanges by total market capitalization, the New York Stock Exchange and NASDAQ.