Al Madinah vs urban center

Al Madinah and urban center both are nouns.

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

Al Madinah (noun)	urban center (noun)
a city in western Saudi Arabia; site of the tomb of Muhammad; the second most holy city of Islam	a large and densely populated urban area; may include several independent administrative districts