Esfahan vs urban center

Esfahan and urban center both are nouns.

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

Esfahan (noun)	urban center (noun)
city in central Iran; former capital of Persia	a large and densely populated urban area; may include several independent administrative districts