Is what hens do in the Hebrides (5)

I believe the answer is:

islay

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'hebrides' is the definition.
Both the definition and answer are singular nouns.
Maybe there's an association between them I don't understand?

'is what hens do' is the wordplay.
'what hens do' becomes 'lay' (I've seen this in another clue).
'is'+'lay'='ISLAY'

'in the' acts as a link.

Can you help me to learn more?

(Other definitions for islay that I've seen before include "somewhere off Scottish mainland" , "Island noted for whisky" , "malt from here!" , "Argyll island" , "Scottish island" .)

I've seen this clue in the Evening Standard.

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