urban center vs Veliky Novgorod

urban center and Veliky Novgorod both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Veliky Novgorod	Yes	No	No	No

urban center (noun)	Veliky Novgorod (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in northwestern Russia on the Volkhov River; Russia's oldest city and an important trading center in the Middle Ages