Port wine refers to a fortified sweet red wine produced exclusively in the Douro Valley region of Portugal. This wine is known for its rich, complex, and fruity flavors, and it is often enjoyed as a dessert wine. Synonyms for this delicious drink include "Porto," "Portuguese wine," "vintage port," "late bottled vintage," and "tawny port." The term "Porto" refers specifically to port wine produced in Portugal, while "Portuguese wine" encompasses a broader category of wines from Portugal. "Vintage port" refers to port wine made from the grapes of a single vintage year, while "late bottled vintage" is made from grapes harvested in a single year but aged longer than vintage port. Finally, "tawny port" is aged in wooden barrels for a longer duration, resulting in a nutty and caramel-like flavor.