Left side announced entrance to canal (4,4)

I believe the answer is:

port said

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'entrance to canal' is the definition.
I can't tell whether this definition defines the answer.

'left side announced' is the wordplay.
'left side' becomes 'port' (I've seen this in another clue).
'announced' becomes 'said' (say can mean to state or announce something).
'port'+'said'='PORT SAID'

Can you help me to learn more?

(Other definitions for port said that I've seen before include "Place" , "Mediterranean city" , "Egyptian city" .)

I've seen this clue in the Sydney Morning Herald.

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