metropolis vs Mazatlan

metropolis and Mazatlan both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
Mazatlan	Yes	No	No	No

metropolis (noun)	Mazatlan (noun)
people living in a large densely populated municipality	a port city in western Mexico on the Pacific Ocean; tourist center
a large and densely populated urban area; may include several independent administrative districts