Dealu Mare wine region  The Dealu Mare wine region is located within the Muntenia area of Romania. It is located around Valea Călugărească commune in Prahova County, best known for its red wines, and the Pietroasele commune in Buzău County, best known for white wines. Typically identified as one of the most important wine regions in Romania, it encompasses about 400 square kilometres under the Southern Carpathians. Red grape varieties grown in Dealu Mare:  White grape varieties grown in Dealu Mare: