Dairen vs urban center

Dairen and urban center both are nouns.

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

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