urban center vs Toledo

urban center and Toledo both are nouns.

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

urban center (noun)	Toledo (noun)
a large and densely populated urban area; may include several independent administrative districts	an industrial city in northwestern Ohio on Lake Erie
	a city in central Spain on the Tagus river; famous for steel and swords since the first century