Loves bags left somewhere in Portugal (6)

I believe the answer is:

oporto

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'in portugal' is the definition.
(I've seen this before)

'loves bags left somewhere' is the wordplay.
'loves' becomes 'oo' (love means 0 in tennis).
'bags' indicates putting letters inside (bag can mean secures or steals).
'left somewhere' becomes 'port' (left side of a ship - opposite of starboard. I am not sure about the 'somewhere' bit.).
'oo' enclosing 'port' is 'OPORTO'.

Can you help me to learn more?

(Other definitions for oporto that I've seen before include "European city" , "Second largest city in Portugal" , "foreign place" , "Portuguese wine trade centre" , "Wine city in Portugal" .)

I've seen this clue in The Daily Mail.

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