Gin is a distilled alcoholic drink that derives its flavour from juniper berries. Gin originated as a medicinal liquor made by monks and alchemists across Europe, particularly in southern Italy, Flanders and the Netherlands, to provide aqua vita from distillates of grapes and grains.Vodka is a clear distilled alcoholic beverage. Different varieties originated in Poland, Russia, and Sweden. Vodka is composed mainly of water and ethanol but sometimes with traces of impurities and flavourings.Tequila is a distilled beverage made from the blue agave plant, primarily in the area surrounding the city of Tequila 65 km northwest of Guadalajara, and in the Jaliscan Highlands of the central western Mexican state of Jalisco.