とうほくにほん 東北日本 LinksSentence search for 東北日本Sentence search for とうほくにほんKanji details for 東, 北, 日 and 本Edit in JMdict Noun1. northeast Japan (northeast of the Itoigawa-Shizuoka Tectonic Line)See also 西南日本 Discussions Log in to talk about this word.