The classification of [[wine]] can be done according to various methods including [[...|place of origin]] or [[appellation]],ref vinification methods and style,ref[[Sweetness of wine|sweetness]] and [[vintage]],ref or [[varietal]]ref used. Practices vary in different countries and regions of origin, and many practices have varied over time. Some classifications enjoy official protection by being part of the [[wine law]] in their country of origin, while other have been created by, for example, grower's organizations without such protection.
== "Wine" ==
Within the [[European Union]], the term "wine" in English and in translation is reserved exclusively for the [[fermentation (wine)|fermented]] [[grape juice|juice]] of grapes.ref
Within the [[United States]], wine may include the fermented juice of any [[fruit wine|fruit]]ref or [[non-grape wine|agricultural product]], provided that it is between 7% and 24% [[alcohol by volume]] and intended for non-industrial use.ref With the exceptions of [[cider]], [[perry (drink)|]], and [[sake]], such non-grape wines are to label themselves by the word "wine" qualified by a truthful description of the originating product: "[[honey wine]]", "", (blended) "[[fruit wine]]", etc.ref
Other jurisdictions have similar rules dictating the range of products qualifying as "wine".ref== By appellation ==
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More recently, wine regions in countries with less stringent location protection laws such as the United States and Australia have joined with well-known European wine producing regions to sign the Napa Declaration to Protect Wine Place and Origin, commonly known as the Napa Declaration on Place. This is a "declaration of joint principles stating the importance of location to wine and the need to protect place names".ref The Declaration was signed in July 2005 by four [[United States]] winegrowing regions and three [[European Union]] winegrowing regions.
The signatory regions from the US were [[Napa Valley]], [[Washington (state)|]], [[Oregon]] and [[Walla Walla, Washington|]], while the signatory regions from the EU were: [[Champagne (province)|]], [[Cognac, France|]] (the commune where [[Cognac (drink)|]] is produced), [[Douro]] (the region where [[Port wine]] is produced) and [[Jerez]] (the region where [[Sherry]] is produced).
The list of signatories to the agreement expanded in March 2007 when [[Sonoma County]], [[Paso Robles]], [[Chianti Classico]], , [[Victoria, Australia]] and [[Western Australia]] signed the Declaration at a ceremony in Washington, DC.
=== Regional wine classifications ===
Many regional wine classifications exist as part of [[History of wine|tradition]] or [[appellation]] law. The most common of these is based on vineyard sites and include the [[Bordeaux Wine Official Classification of 1855]], though some regions classify their wines based on the style like the [[German wine classification]] system. Vineyard classification has a long history dating from some early examples in [[Jurançon AOC|Jurançon]] in the 14th century, in 1644 when the council of [[Würzburg]] ranked the city's vineyards by quality,and the early five-level designation of vineyards based on quality in [[Tokaj-Hegyalja]] in 1700.ref