urban center vs Lubeck

urban center and Lubeck both are nouns.

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

urban center (noun)	Lubeck (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in northwestern Germany and an important Baltic port; a leading member of the Hanseatic League