Tokyo , is the capital and most populous prefecture of Japan. Located at the head of Tokyo Bay, the prefecture forms part of the Kanto region on the central Pacific coast of Japan's main island, Honshu. Tokyo is the political and economic center of the country, as well as the seat of the Emperor of Japan and the national government.Tokyo is the largest urban economy in the world by gross domestic product, and is categorized as an Alpha city by the Globalization and World Cities Research Network. Part of an industrial region that includes the cities of Yokohama, Kawasaki, and Chiba, Tokyo is Japan's leading center of business and finance.Tokyo is an international center of research and development and is represented by several major universities, notably the University of Tokyo. Tokyo has various remote islands, which stretch out similar to 1,850 km (1,150 mi) from focal Tokyo. As a result of the islands' good ways from the regulatory central command of the Tokyo Metropolitan Government in Shinjuku, neighborhood subprefectural branch workplaces control them.Tokyo is close to the limit of three plates, making it a very dynamic locale for littler shudders and slippage which much of the time influence the urban territory with influencing as though in a vessel, despite the fact that focal points inside terrain Tokyo.