geographic region vs Crna Gora

geographic region and Crna Gora both are nouns.

Word	Noun	Adjective	Verb	Adverb
geographic region	Yes	No	No	No
Crna Gora	Yes	No	No	No

geographic region (noun)	Crna Gora (noun)
a demarcated area of the Earth	a former country bordering on the Adriatic Sea; now part of the Union of Serbia and Montenegro