Redeveloped part of Galashiels, in the East (5)

I believe the answer is:

lhasa

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'east' is the definition.
The answer and definition can be both locations as well as being singular nouns.
Perhaps you can see a link between them that I can't see?

I can't explain the remainder of the clue.

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(Other definitions for lhasa that I've seen before include "Sacred city" , "Luxembourg's a" , "Group; stripe" , "Tibet's "Forbidden City"" , "Capital of Tibet" .)

I've seen this clue in the Evening Standard.

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