DOC area for reds, rosé wines and white wines in the northwest corner of the Italian region Sardinia, The zone covers in its entirety the municipalities of Alghero, Ittiri, Olmedo, Ossi, Tissi, Uri and Usini, as well as a part of Sassari in the province of Sassari. The largest Sardinian winery Sella & Mosca is located in the provincial capital Alghero. The varietal wines must contain at least 85% of the respective variety, the rest may be other approved. The reds are Cabernet ( Cabernet Franc and or Cabernet Sauvignon and or Carmenère ) Cagnulari or Cagniulari ( Graciano ) Merlot and Sangiovese, The white wines are Chardonnay, Sauvignon ( Sauvignon Blanc ) Torbato and Vermentino, The wine types Bianco , Rosso (also called Novello and Liquoroso ) and Rosato can be produced in any mixture or use of the approved varieties. All red wines are also available as longer matured Riserva, When Spumante there are Bianco, Chardonnay and Torbato. When Frizzante there are Bianco, Rosato and Vermentino. A sweet Passito is only available from Bianco.