city vs Semarang

city and Semarang both are nouns.

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

city (noun)	Semarang (noun)
people living in a large densely populated municipality	a port city is southern Indonesia; located in northern Java
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter