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Josy's - Chocolats du Coeur x Sumo

Sumo, Chocolats du Coeur, and the Tricentenaire joined forces to create a whimsical pop-up wonderland in the heart of Luxembourg City known as Josy's! With the backing of the Josy Welter House, they unveiled a vibrant store merging the artist's colorful world with delicious treats from the Tricentenaire's chocolate workshop, promoting social inclusion through sweetness and artistry.

Sumo holding chocolates
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10, Rue Genistre

L- 1623 Luxembbourg


+352 621 731 289

Opening Hours

Tuesday to Friday

11:30 – 18:00 

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10:00  – 18:00 



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