Fort Lauderdale vs urban center

Fort Lauderdale and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fort Lauderdale	Yes	No	No	No
urban center	Yes	No	No	No

Fort Lauderdale (noun)	urban center (noun)
a city in southeast Florida on the Atlantic coast to the north of Miami; a favorite place for college students to go on their spring vacations	a large and densely populated urban area; may include several independent administrative districts