Tuxtla Gutierrez vs city

Tuxtla Gutierrez and city both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tuxtla Gutierrez	Yes	No	No	No
city	Yes	No	No	No

Tuxtla Gutierrez (noun)	city (noun)
a city in southeastern Mexico	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts
	an incorporated administrative district established by state charter