Background. Wine is a commonly consumed alcoholic beverage. The quality and characteristics of this beverage are influenced by various factors, such as winemaking technique, the quality of the raw material, the degree of its maturity, grape variety, human talent, and the most importantly, a territory or rather its climate, height above sea level, topography and soil. The aim of the  research was to investigate the impact of grapevine origin on the selected quality parameters of Cabernet Dorsa red wine. Additionally, the possibility of identifying the origin of Cabernet Dorsa  wine based on differentiating criteria was verified. The research material consisted of Polish, German and Swiss dry red wine made from the grape variety Cabernet Dorsa. The following  parameters were used to compare the quality of the chosen wines: the concentration of alcohol, total dry extract (TDE) and volatile acids (VA), titratable acidity (TA) and total phenolic content (TPC). Additionally, a sensory analysis was performed.
Results and conclusions. The results show that wines produced from grapes of the same cultivar (Cabernet Dorsa) grown in different countries differ statistically significantly in TDE, TA and  TPC. Despite producers’ declarations, there were slight yet statistically significant differences in alcohol concentration. Moreover, the Swiss wines were assessed as having the highest rated color  among tested products. The Principal Component Analysis showed that, on the basis of chemical and sensory parameters, it is possible to distinguish between wines from the three  selected countries. The results obtained provide an excellent basis for further research, also concerning different countries and grape cultivars.