There is no single classification which provides an official ranking across all of the Bordeaux appellations. However, there are four different classifications, covering the Médoc, Sauternes and Barsac, Graves, and Saint-Emilion. Of note, although Chateau Petrus is often referred to as a First Growth (Premiers Crus) of the 1855 Classification Pomerol remains unclassified.
The four official classifications are as follows;
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