Kantō native; person from Kantō
Refers to someone born and raised in the Kantō region (Tokyo and surrounding prefectures). Often used in contrast with 関西人.
He is a Kantō native, born and raised in Tokyo.
Kantō natives and Kansai natives sometimes have different food preferences.
関西人 refers to someone from the Kansai region (Osaka, Kyoto, etc.), while 関東人 refers to someone from the Kantō region (Tokyo, Yokohama, etc.), and the two are often contrasted culturally.
Compound of 関東 (Kantō region) and 人 (person).