urban center vs Vancouver

urban center and Vancouver both are nouns.

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

urban center (noun)	Vancouver (noun)
a large and densely populated urban area; may include several independent administrative districts	a port city in southwestern British Columbia on an arm of the Pacific Ocean opposite Vancouver Island; Canada's chief Pacific port and third largest city
	a town in southwestern Washington on the Columbia River across from Portland, Oregon
	English navigator remembered for his exploration of the Pacific coast of North America (1757-1798)