Elysium vs mythical place

Elysium and mythical place both are nouns.

Word	Noun	Adjective	Verb	Adverb
Elysium	Yes	No	No	No
mythical place	Yes	No	No	No

As nouns, mythical place is a hypernym of Elysium; that is, mythical place is a word with a broader meaning than Elysium:

Elysium: a place or condition of ideal happiness
mythical place: a place that exists only in imagination; a place said to exist in fictional or religious writings

Other hypernyms of Elysium include fictitious place, imaginary place.

Elysium (noun)	mythical place (noun)
(Greek mythology) the abode of the blessed after death	a place that exists only in imagination; a place said to exist in fictional or religious writings
a place or condition of ideal happiness