Lanchow vs urban center

Lanchow and urban center both are nouns.

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

Lanchow (noun)	urban center (noun)
the capital city of the Chinese province of Gansu on the Yellow River	a large and densely populated urban area; may include several independent administrative districts