urban center vs Durban

urban center and Durban both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Durban	Yes	No	No	No

urban center (noun)	Durban (noun)
a large and densely populated urban area; may include several independent administrative districts	a port city in eastern South Africa on the Indian Ocean; resort and industrial center