city vs Danzig

city and Danzig both are nouns.

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

city (noun)	Danzig (noun)
people living in a large densely populated municipality	a port city of northern Poland near the mouth of the Vistula River on a gulf of the Baltic Sea; a member of the Hanseatic League in the 14th century
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter