Namur vs urban center

Namur and urban center both are nouns.

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

Namur (noun)	urban center (noun)
a city in south central Belgium situated on a promontory between the Meuse River and the Sambre River; the site of intense fighting in World War I and World War II	a large and densely populated urban area; may include several independent administrative districts