known as Tokaido corridor is the name for the
megalopolis in Japan extending
Prefecture in the north all the way to Fukuoka
Prefecture in the south, running for almost 1,200 km.
urbanization zone runs mainly along the Pacific coast (hence the
name) of Japan from Kantō region
to Osaka, and the Inland Sea (on both sides) to Fukuoka, and is concentrated along the
Tōkaidō-Sanyō rail corridor.
A view of
Japan at night clearly shows a rather dense and continuous strip of
light (that demarcates urban zones) that delineates the
Although it contains the majority of Japan's population, references
to it in Japanese are mainly economic or regional in nature. The
term was first used in 1960 in an Economic Commission Subcommittee
Report formed to double the national income. At that time, it was
identified as the core of the nation's industrial complex. The
region is specifically defined by the Ministry of International
Trade and Industry as the following prefectures: Ibaraki, Saitama,
Chiba, Tokyo, Kanagawa, Shizuoka, Aichi, Gifu, Mie, Osaka, Hyogo,
Wakayama, Okayama, Hiroshima, Yamaguchi, Fukuoka, and Oita. As
economic development (along with urban development) spilled over to
nearby regions, they were added to this list.
Japan has a much less well-developed string of cities,
called, very pejoratively (literally: the rear of Japan),
stretching 1000 km from Akita to
It is often
referenced in relation to the Taiheiyo belt.
Listed from north to south:
- Greater Nara (pop. 1,000,000)
: approx 82.9 million
- Satellite images of stable night time lights in