Marrakesh vs urban center

Marrakesh and urban center both are nouns.

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

Marrakesh (noun)	urban center (noun)
a city in western Morocco; tourist center	a large and densely populated urban area; may include several independent administrative districts