urban center vs Jed'dah

urban center and Jed'dah both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Jed'dah	Yes	No	No	No

urban center (noun)	Jed'dah (noun)
a large and densely populated urban area; may include several independent administrative districts	port city in western Saudi Arabia on the Red Sea; near Mecca