Toulon vs urban center

Toulon and urban center both are nouns.

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

Toulon (noun)	urban center (noun)
a port city and naval base in southeastern France on the Mediterranean coast	a large and densely populated urban area; may include several independent administrative districts