city vs Mukalla

city and Mukalla both are nouns.

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

city (noun)	Mukalla (noun)
people living in a large densely populated municipality	a port in southern Yemen on the Gulf of Aden to the east of Aden
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter