Balkan nation vs Balkan country

Balkan nation and Balkan country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Balkan nation	Yes	No	No	No
Balkan country	Yes	No	No	No

As nouns, Balkan nation and Balkan country are synonyms defined as:

Balkan nation and Balkan country: any one of the countries on the Balkan Peninsula

Other synonyms of Balkan nation include Balkan state.

Balkan nation (noun)	Balkan country (noun)
any one of the countries on the Balkan Peninsula	any one of the countries on the Balkan Peninsula