When these words are used in their ordinary significance of mere direction or location they are not capitalized except that in writing of Biblical history we speak of the Northern Kingdom and the Southern Kingdom into which Solomon's territory was split after his death.
16. Generic terms for political divisions.
a. When the term is part of the name and directly follows it.
Holy Roman Empire British Empire Northwest Territory Queen's County.
b. When it is used with the preposition of in such phrases as Borough of the Bronx, Department of the Gulf.
c. When part of a nickname, The Crescent City, the Buckeye State, the City of Brotherly Love.
Be careful not to capitalize such words when they are not an actual part of the name. French Republic is the name of the county, exactly translating