Where is port produced?

Port wine is primarily produced in the Douro Valley in northern Portugal. This region's unique climate and terroir are ideal for growing the grape varieties used in port production, particularly Touriga Nacional, Touriga Franca, and Tinta Roriz. After the grapes are harvested, they are fermented and then fortified with brandy, which stops fermentation and preserves the natural sugars, resulting in the sweet, rich flavor characteristic of port. The wine is then aged, often in cellars in the city of Vila Nova de Gaia, across the Douro River from Porto.