Geography of Japan the population lives on Honshu, 10% on Kyushu, 4.2% on Hokkaido, 3% on Shikoku, 1.1% in Okinawa Prefecture and 0.7% on other Japanese islands such as the Nanpō Islands. Nearly 1 in 3 Japanese people live in the Greater Tokyo Area. is the largest island of Japan. It has a population of 104,000,000 with a population density of (2010) . Honshu is roughly long and ranges from wide, and its total area is . This makes it slightly larger than the island of Great Britain . The Greater Tokyo Area on Honshu is the biggest metropolitan area (megacity) in the
Province of Medio Campidano Carbonia-Iglesias and Cagliari. The total area of Medio Campidano is , some 6.3% of the whole island. It is divided into 28 municipalities. The capitals are Sanluri in the east and Villacidro in the south. The environment is diverse, with mountains, hills, plains and coastline. The province is one of the least populated and most unspoilt areas of the island and has earned the name, the "Green Province". The mining industry began to develop in the province in the nineteenth century due to the large lead, copper and silver reserves, but the industry became uneconomical after World War II and