Kanto Three Provinces

…Another name is Guan Zuo. The area east of Shanhaiguan (Linyu County, Hebei Province) was also called the Kanto region, and the three provinces of Liaoning, Jilin, and Heilongjiang were formerly called the Three Provinces of Kanto. [Nagata Hidemasa] (2) A place name in Korea. …

*Some of the terminology used to refer to the "Kanto Three Provinces" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…別称は関左。なお，山海関(河北省臨楡県)以東の地も関東といい，かつての遼寧，吉林，黒竜江の三省を関東三省と称した。【永田 英正】(2)朝鮮の地名。…

※「関東三省」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報