Punta Arenas vs urban center

Punta Arenas and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Punta Arenas	Yes	No	No	No
urban center	Yes	No	No	No

Punta Arenas (noun)	urban center (noun)
a city in southern Chile on the Strait of Magellan; the southernmost city in the world	a large and densely populated urban area; may include several independent administrative districts