urban center vs Gorky

urban center and Gorky both are nouns.

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

urban center (noun)	Gorky (noun)
a large and densely populated urban area; may include several independent administrative districts	an industrial city in the European part of Russia; birthplace of Maksim Gorky
	Russian writer of plays and novels and short stories; noted for his depiction of social outcasts