St. Mary of Bethlehem vs urban center

St. Mary of Bethlehem and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Mary of Bethlehem	Yes	No	No	No
urban center	Yes	No	No	No

St. Mary of Bethlehem (noun)	urban center (noun)
port city in northern Brazil in the Amazon delta; main port and commercial center for the Amazon River basin	a large and densely populated urban area; may include several independent administrative districts