urban center vs Innsbruck

urban center and Innsbruck both are nouns.

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

urban center (noun)	Innsbruck (noun)
a large and densely populated urban area; may include several independent administrative districts	city in southwestern Austria; known as a summer and winter resort