Idyllicity 

A word to measure how idyllic a place is

The castle adds to the idyllicity of Lewes

Idyllicity by Rosmarerc October 17, 2020

Idyllicy 

A notion of peace, calm and serene tranquility of either a noun or a state of mind.

He had an air of idyllicy about him.

Idyllicy by Jacklovescats January 8, 2009