eastern provinces; Kanto region
Refers to the eastern part of Japan, especially the Kanto area, in historical or geographical contexts.
東国は古くから武士の勢力が強かった。
The eastern provinces have long been a stronghold of warrior power.
eastern Old Japanese dialect
Compound of 東 (east) and 国 (country/province). The reading とうごく is the on'yomi combination.