Toulouse vs urban center

Toulouse and urban center both are nouns.

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

Toulouse (noun)	urban center (noun)
a city on the Garonne River in southern France to the southeast of Bordeaux; a cultural center of medieval Europe	a large and densely populated urban area; may include several independent administrative districts