Zuoz (Romansh pronunciation: [tsuə̯ts] ) is a municipality in the Maloja Region in the Swiss canton of the Grisons .

Zuoz is first mentioned about 840 as Zuzes. Historically, Zuoz was the political center of the upper Engadin . It was the seat of the local bishop. But, it has long ago been supplanted by other Engadin villages such as St. Moritz and Samedan .