urban center vs Tel Aviv-Jaffa

urban center and Tel Aviv-Jaffa both are nouns.

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

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