TYO is the abbreviation for Tokyo, the capital city of Japan. According to international conventions, the English abbreviation for a country’s name is usually the first three letters of its English name or the initials of each word in the full name. Located in the central part of the Kanto Plain, facing Tokyo Bay, Tokyo is an international metropolis and the central city of the Tokyo metropolitan area, one of the three major metropolitan areas in Japan. On March 28th, 1869, the capital of Japan was relocated from Kyoto to Tokyo. Since the time of the Tokugawa Shogunate, Tokyo has become one of the major cities in Japan. After being renamed Tokyo during the Meiji Restoration, it has developed into a hub for politics, economy, culture, transportation, and many other fields. With continued development after World War II, Tokyo has not only become a global hub for commerce, finance, popular culture, and fashion, but also one of the most prosperous and economically developed cities in the world.