metropolis vs Long Beach

metropolis and Long Beach both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
Long Beach	Yes	No	No	No

metropolis (noun)	Long Beach (noun)
people living in a large densely populated municipality	a city in southern California located on 8.5 miles of Pacific beachfront; was a resort until oil was discovered in 1921
a large and densely populated urban area; may include several independent administrative districts