Fabulous domain of Kubla Khan in Coleridge’s poem (6)

I believe the answer is:

xanadu

(Other definitions for xanadu that I've seen before include "Kubla Khan's place (Coleridge)" , "old Chinese summer capital" , "Idyllic location" , "Fabled wonderful place" , "Winter palace of the Kubla Khan, according to Coleridge" .)

I've seen this clue in The Times.

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