This document summarizes information about several major cities around the world, including Tokio as the most populated city in Japan with over 38 million residents, New York as the most populated city in the USA with more than 19 million people across its five boroughs, and Las Vegas known for its luxurious hotels on the Las Vegas Strip such as the Bellagio and Caesars Palace. It also provides details about Dubai, located in the Persian Gulf with over 2.2 million residents, known for its artificial islands and as the home to both the tallest skyscraper and most luxurious hotel in the world.