town vs Bowling Green

town and Bowling Green both are nouns.

Word	Noun	Adjective	Verb	Adverb
town	Yes	No	No	No
Bowling Green	Yes	No	No	No

town (noun)	Bowling Green (noun)
the people living in a municipality smaller than a city	a town in southern Kentucky
an urban area with a fixed boundary that is smaller than a city
an administrative division of a county