urban center vs Dresden

urban center and Dresden both are nouns.

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

urban center (noun)	Dresden (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in southeastern Germany on the Elbe River; it was almost totally destroyed by British air raids in 1945