Dijon vs urban center

Dijon and urban center both are nouns.

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

Dijon (noun)	urban center (noun)
an industrial city in eastern France to the north of Lyons	a large and densely populated urban area; may include several independent administrative districts