Which prefectures are commonly included in the Tokyo-Yokohama Metropolitan Area?

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The Tokyo-Yokohama Metropolitan Area, commonly referred to as Greater Tokyo, is primarily composed of four prefectures located on the island of Honshu:

  • Tokyo: The metropolitan prefecture (to) that serves as the center of the region.1
  • Saitama: Located to the north of Tokyo.1
  • Chiba: Located to the east of Tokyo.1
  • Kanagawa: Located to the south of Tokyo.1

While these four prefectures are commonly cited as making up the complex, there is no single, universally fixed definition of the region. Because the area is highly integrated, many people reside in areas beyond these four prefectures and commute into the region for work.12