Definition of "Zion" :

noun: an imaginary place considered to be perfect or ideal

noun: Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine

noun: 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

"The inhabitants of Jerusalem are personified as the daughter of Zion'."