What does 関東 mean?
関東 is a Japanese noun meaning “Kanto (region including Tokyo)” in English. It is written as 関東 in kanji, かんとう in hiragana, and kantou in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
ジョンは関東地区、そして太郎は関西地区を担当している。
John covers the Kanto area and Taro covers the Kansai area.