Tel Aviv vs urban center

Tel Aviv and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tel Aviv	Yes	No	No	No
urban center	Yes	No	No	No

Tel Aviv (noun)	urban center (noun)
the largest city and financial center of Israel; located in western Israel on the Mediterranean	a large and densely populated urban area; may include several independent administrative districts