national capital vs capital of Kyrgyzstan

national capital and capital of Kyrgyzstan both are nouns.

Word	Noun	Adjective	Verb	Adverb
national capital	Yes	No	No	No
capital of Kyrgyzstan	Yes	No	No	No

national capital (noun)	capital of Kyrgyzstan (noun)
the capital city of a nation	the capital of Kyrgyzstan (known as Frunze 1926-1991)