Aquila degli Abruzzi vs city

Aquila degli Abruzzi and city both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aquila degli Abruzzi	Yes	No	No	No
city	Yes	No	No	No

Aquila degli Abruzzi (noun)	city (noun)
the provincial capital of the Abruzzi region in central Italy	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts
	an incorporated administrative district established by state charter