Domenico De Bertiol is a winery that specializes in Prosecco. It is located in Conegliano in the Veneto region of Italy. This town is renowned for its university of wine studies, considered by many to be the finest in Italy and one of the finest in the world. By Italian law, Prosecco may be still, crackling (frizzante), or fully sparkling. This ancient Roman varietal can produce wines that are either sweet or dry. Domenico De Bertiol, with technical assistance from the Montresor family, makes a variety of wines from the Prosecco grape. The most acclaimed and popular wine is the dry sparkling version