Communist China vs Great Wall of China

Communist China and Great Wall of China both are nouns.

Word	Noun	Adjective	Verb	Adverb
Communist China	Yes	No	No	No
Great Wall of China	Yes	No	No	No

Communist China (noun)	Great Wall of China (noun)
a communist nation that covers a vast territory in eastern Asia; the most populous country in the world	a fortification 1,500 miles long built across northern China in the 3rd century BC; it averages 6 meters in width