Alma-Ata vs urban center

Alma-Ata and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alma-Ata	Yes	No	No	No
urban center	Yes	No	No	No

Alma-Ata (noun)	urban center (noun)
the largest city in Kazakhstan and the capital until 1998	a large and densely populated urban area; may include several independent administrative districts