Soweto vs urban center

Soweto and urban center both are nouns.

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

Soweto (noun)	urban center (noun)
a large collection of African townships to the southwest of Johannesburg in South Africa; inhabited solely by Black Africans	a large and densely populated urban area; may include several independent administrative districts