Maiduguri vs urban center

Maiduguri and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Maiduguri	Yes	No	No	No
urban center	Yes	No	No	No

Maiduguri (noun)	urban center (noun)
a city in northeastern Nigeria; an agricultural trading center	a large and densely populated urban area; may include several independent administrative districts