関東地方
かんとうちほう
Kanto region (incl. Tokyo, Kanagawa, Saitama, Gunma, Tochigi, Ibaraki and Chiba prefectures)
関西地方 is read as かんさいちほう (kansaichihou) and means Kansai region (center-west area of Japan comprising Osaka, Kobe, Kyoto and surrounding prefectures).
かんさいちほう
kansaichihou
かんとうちほう
Kanto region (incl. Tokyo, Kanagawa, Saitama, Gunma, Tochigi, Ibaraki and Chiba prefectures)