metropolis vs Al Hudaydah

metropolis and Al Hudaydah both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
Al Hudaydah	Yes	No	No	No

metropolis (noun)	Al Hudaydah (noun)
people living in a large densely populated municipality	an important port in Yemen on the Red Sea
a large and densely populated urban area; may include several independent administrative districts