urban center vs Dairen

urban center and Dairen both are nouns.

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

urban center (noun)	Dairen (noun)
a large and densely populated urban area; may include several independent administrative districts	a port and shipbuilding center in northeastern China on the Liaodong Peninsula; now a part of Luda