Chemulpo vs urban center

Chemulpo and urban center both are nouns.

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

Chemulpo (noun)	urban center (noun)
a port city in western South Korea on the Yellow Sea	a large and densely populated urban area; may include several independent administrative districts