Ufa vs urban center

Ufa and urban center both are nouns.

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

Ufa (noun)	urban center (noun)
the capital city of the Republic of Bashkortostan, Russia	a large and densely populated urban area; may include several independent administrative districts