Al Hudaydah vs metropolis

Al Hudaydah and metropolis both are nouns.

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

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