city vs Sapporo

city and Sapporo both are nouns.

Word	Noun	Adjective	Verb	Adverb
city	Yes	No	No	No
Sapporo	Yes	No	No	No

city (noun)	Sapporo (noun)
people living in a large densely populated municipality	a commercial city in northern Japan on western Hokkaido
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter