Sydney suburb meaning "without a care" in French (4,5)

I believe the answer is:

sans souci

(Other definitions for sans souci that I've seen before include "Frederick the Great's Potsdam palace" , "Prussian palace" , "Potsdam palace built by Frederick the Great" , "Without care or worry (Fr.); Frederick the Great's palace" , "lack of care" .)

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

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