Poem about place of fantasy ... (5)

I believe the answer is:

odeon

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'place of fantasy' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'poem about' is the wordplay.
'poem' becomes 'ode' (ode is a kind of poem).
'about' becomes 'on'.
'ode'+'on'='ODEON'

Can you help me to learn more?

(Other definitions for odeon that I've seen before include "Large UK cinema chain" , "music performed here" , "Ancient Greek concert hall" , "Greek music hall" , "Place for cinema or musical and dramatic performances" .)

I've seen this clue in The Telegraph.

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