Elisabethville vs urban center

Elisabethville and urban center both are nouns.

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

Elisabethville (noun)	urban center (noun)
a city in southeastern Congo near the border with Zambia; a copper mining center; former name (until 1966) was Elisabethville	a large and densely populated urban area; may include several independent administrative districts