East vs geographic area

East and geographic area both are nouns.

Word	Noun	Adjective	Verb	Adverb
East	Yes	No	No	No
geographic area	Yes	No	No	No

East (noun)	geographic area (noun)
the countries of Asia	a demarcated area of the Earth
the region of the United States lying to the north of the Ohio River and to the east of the Mississippi River