Ache and groan wandering around city abroad (9)

I believe the answer is:

anchorage

I'm a little stuck... Click here to teach me more about this clue!

'city abroad' is the definition.
I can't tell whether this defines the answer.

'ache and groan wandering' is the wordplay.
'and' says to put letters next to each other (I've seen this in other clues).
'wandering' indicates an anagram.
'ache' after 'groan' is 'groanache'.
'groanache' with letters rearranged gives 'ANCHORAGE'.

'around' acts as a link.

Can you help me to learn more?

(Other definitions for anchorage that I've seen before include "US city" , "US port" , "recluse's cell?" , "Area suitable for ships to stop" , "place to moor vessel" .)

I've seen this clue in The Independent.

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