Italy vs Trentino-Alto Adige

Italy and Trentino-Alto Adige both are nouns.

Word	Noun	Adjective	Verb	Adverb
Italy	Yes	No	No	No
Trentino-Alto Adige	Yes	No	No	No

Italy (noun)	Trentino-Alto Adige (noun)
a republic in southern Europe on the Italian Peninsula; was the core of the Roman Republic and the Roman Empire between the 4th century BC and the 5th century AD	a region of northeastern Italy bordering Austria