The Kanto region of Japan, usually including Tokyo, Kanagawa, Saitama, Gunma, Tochigi, Ibaraki, and Chiba prefectures.
関東地方は首都圏を含むため人口が多い。
The Kanto region includes the Tokyo metropolitan area, so it has a large population.
来週は関東地方で大雨の予報が出ているから注意してください。
Heavy rain is forecast for the Kanto region next week, so please be careful.
関東地方と関西では方言や食習慣が違うことが多い。
The Kanto and Kansai regions often differ in dialects and eating habits.