noun
communist country
Refers to a nation governed under communist principles. Often used in political or historical contexts.
中国は共産主義国です。
China is a communist country.
かつてソ連は強大な共産主義国だった。
The Soviet Union was once a powerful communist country.
Compound of 共産主義 (communism) + 国 (country). The term is a straightforward modern political coinage.