geographic region vs Mongolia

geographic region and Mongolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
geographic region	Yes	No	No	No
Mongolia	Yes	No	No	No

geographic region (noun)	Mongolia (noun)
a demarcated area of the Earth	a landlocked socialist republic in central Asia
	a vast region in Asia including the Mongolian People's Republic and China's Inner Mongolia