Sion vs Middle East

Sion and Middle East both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sion	Yes	No	No	No
Middle East	Yes	No	No	No

Sion (noun)	Middle East (noun)
an imaginary place considered to be perfect or ideal	the area around the eastern Mediterranean; from Turkey to northern Africa and eastward to Iran; the site of such ancient civilizations as Phoenicia and Babylon and Egypt and the birthplace of Judaism and Christianity and Islam; had continuous economic and political turmoil in the 20th century
Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine
originally a stronghold captured by David (the 2nd king of the Israelites); above it was built a temple and later the name extended to the whole hill; finally it became a synonym for the city of Jerusalem