urban center vs Alma-Ata

urban center and Alma-Ata both are nouns.

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

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