Japan
Japan is officially divided into 47 prefectures and traditionally into eight regions. About three-fourths of the country's terrain is mountainous. As a result, Japan is one of the most densely populated and urbanized countries in the world. The largest urban area is the Greater Tokyo Area centered on the capital city of Tokyo, which is the most populous metropolitan area in the world and home to more than 38 million people. Japan is the eleventh most populous country in the world with a population of 126.2 million.
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