Tokyo (東京), officially Tokyo Metropolis (東京都), is the capital and largest city of Japan, and is one of the 47 prefectures of Japan. It is located on the eastern side of the main island Honshū. It consists of the twenty-three special wards of Tokyo, each governed as a city, that cover the area that was once the city of Tokyo in the eastern part of the prefecture and the 26 cities, three towns, and one village in the western part of the prefecture.