Dnipropetrovsk vs urban center

Dnipropetrovsk and urban center both are nouns.

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

Dnipropetrovsk (noun)	urban center (noun)
city in east central Ukraine on the Dnieper River; center of metallurgical industry	a large and densely populated urban area; may include several independent administrative districts