Bloemfontein vs urban center

Bloemfontein and urban center both are nouns.

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

Bloemfontein (noun)	urban center (noun)
the seat of the supreme court	a large and densely populated urban area; may include several independent administrative districts