urban center vs El Paso

urban center and El Paso both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
El Paso	Yes	No	No	No

urban center (noun)	El Paso (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in western Texas on the Mexican border; located on the northern bank of the Rio Grande across from the Mexican city of Juarez