Balkan state vs European nation

Balkan state and European nation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Balkan state	Yes	No	No	No
European nation	Yes	No	No	No

As nouns, European nation is a hypernym of Balkan state; that is, European nation is a word with a broader meaning than Balkan state:

Other hypernyms of Balkan state include European country.

Balkan state (noun)	European nation (noun)
any one of the countries on the Balkan Peninsula	any one of the countries occupying the European continent