city vs Aix-la-Chapelle

city and Aix-la-Chapelle both are nouns.

Word	Noun	Adjective	Verb	Adverb
city	Yes	No	No	No
Aix-la-Chapelle	Yes	No	No	No

city (noun)	Aix-la-Chapelle (noun)
people living in a large densely populated municipality	a city in western Germany near the Dutch and Belgian borders; formerly it was Charlemagne's northern capital
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter