Moulmein vs urban center

Moulmein and urban center both are nouns.

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

Moulmein (noun)	urban center (noun)
a port city of southern Myanmar on the Gulf of Martaban	a large and densely populated urban area; may include several independent administrative districts