Havana vs national capital

Havana and national capital both are nouns.

Word	Noun	Adjective	Verb	Adverb
Havana	Yes	No	No	No
national capital	Yes	No	No	No

Havana (noun)	national capital (noun)
the capital and largest city of Cuba; located in western Cuba; one of the oldest cities in the Americas	the capital city of a nation