It is one of the 47 prefectures of Japan and is the
capital of Japan, the center of the Greater Tokyo Area, and the
largest metropolitan area in the world. It is the seat of the
Japanese government and the Imperial Palace, and the home of the
Japanese Imperial Family.
Tokyo is often thought of as a city, but is commonly referred to as
a metropolitan prefecture. The prefecture is part of the world's
most populous metropolitan area with over 35 million people and the
world's largest urban agglomeration economy. Canada has a fewer
people than the Tokyo island metropolitan area.