what is tokyo known for
[toËkjoË]. , English /ËtoÊki.oÊ/), officially Tokyo Metropolis (æ±äº¬é½, TÅkyÅ-to) , is one of the 47 prefectures of Japan, and is both the capital and largest city of Japan. The Greater Tokyo Area is the most populous metropolitan area in the world.It is the seat of the Emperor of Japan and the Japanese government.okyo Metropolis was formed in 1943 from the merger of the former Tokyo Prefecture (æ±äº¬åº, TÅkyÅ-fu) and the city of Tokyo (æ±äº¬å¸, TÅkyÅ-shi) .