East Saint Louis vs town

East Saint Louis and town both are nouns.

Word	Noun	Adjective	Verb	Adverb
East Saint Louis	Yes	No	No	No
town	Yes	No	No	No

East Saint Louis (noun)	town (noun)
a town in southwest Illinois on the Mississippi across from Saint Louis	the people living in a municipality smaller than a city
	an urban area with a fixed boundary that is smaller than a city
	an administrative division of a county