Merida vs urban center

Merida and urban center both are nouns.

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

Merida (noun)	urban center (noun)
the capital of the Mexican state of Yucatan	a large and densely populated urban area; may include several independent administrative districts