urban center vs Ghent

urban center and Ghent both are nouns.

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

urban center (noun)	Ghent (noun)
a large and densely populated urban area; may include several independent administrative districts	port city in northwestern Belgium and industrial center; famous for cloth industry