Tokyo was the capital of Japan with a regimen that includes a special rule in the province and the city together. The Tokyo metropolitan area classified as the largest city in the world. Overall then the metropolitan area has a population of approximately 35,237,000 people living ) in downtown Tokyo 23. District Special Administrative Region , with a population of about 12 million people in urban areas is the most populous city in the country. The population of Tokyo There are a total of over 35 million people, Tokyo is located in the Kanto Japanese word "Tokyo" refers to the "City of the East" in Tokyo is also the location of the Palace of the Emperor.