Utopia vs Sion

Utopia and Sion both are nouns.

Word	Noun	Adjective	Verb	Adverb
Utopia	Yes	No	No	No
Sion	Yes	No	No	No

As nouns, Utopia and Sion are synonyms defined as:

Other synonyms of Utopia include Zion.

Utopia (noun)	Sion (noun)
an imaginary place considered to be perfect or ideal	an imaginary place considered to be perfect or ideal
a book written by Sir Thomas More (1516) describing the perfect society on an imaginary island	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