metropolis vs El Giza

metropolis and El Giza both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
El Giza	Yes	No	No	No

metropolis (noun)	El Giza (noun)
people living in a large densely populated municipality	an ancient Egyptian city on the west bank of the Nile opposite Cairo; site of three Great Pyramids and the Sphinx
a large and densely populated urban area; may include several independent administrative districts