urban center vs Mandalay

urban center and Mandalay both are nouns.

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

urban center (noun)	Mandalay (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in central Myanmar to the north of Rangoon