There are thousands of different types of wine and most of them are used to make wine. They all come from the same species, which is Vitis Vinifera. The type of grape used to make wine will depend on the overall flavor that is trying to be achieved. Each year millions of grapes go into making different types of whine, both red and white.
Wine grapes need to be harvested when the sugar content is low so they are ideal for making this type of alcoholic drink.
Whole vineyards are devoted to growing and processing these grapes which have the sole purpose of being made for wine. In the U.S most of the major vineyards are in Napa Valley which is located in California.