Utopia

An idealised place that is nowhere.

The name is a pun - ’eu’ is the Greek prefeix meaning ‘good’ (eudemonia - the good life, eucalyptus - the good covering, euthenasia - the good death, etc.)

Topos is place

eutopia - the good place.

u (ou) - is ’not’ in Greek (indicates negation)

u-topia - the (good) place which is not a place.