Back in here? (8,7)

I believe the answer is:

northern ireland

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This might be a double definition.

'back' is the first definition.
The definition and answer can be both locations as well as being singular nouns.
Maybe you can see an association between them that I can't see?

'here?' is the second definition.
The answer is a location as well as being a singular noun. This is suggested by the definition.

'in' acts as a link.

Can you help me to learn more?

(Another definition for northern ireland that I've seen is " Part of the UK".)

I've seen this clue in The Irish Times.

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