Mongolia vs Asian country

Mongolia and Asian country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mongolia	Yes	No	No	No
Asian country	Yes	No	No	No

Mongolia (noun)	Asian country (noun)
a landlocked socialist republic in central Asia	any one of the nations occupying the Asian continent
a vast region in Asia including the Mongolian People's Republic and China's Inner Mongolia