Al Hudaydah vs urban center

Al Hudaydah and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Al Hudaydah	Yes	No	No	No
urban center	Yes	No	No	No

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