Abbreviation for "Prostatevomenis Onomasías Proelefsis" (Protected Designation of Origin), the highest wine quality level in Greece since 2009. It corresponds to the quality wine and replaced the alternatively possible levels OPE and OPAP. The next level is PGE (country wine). See also under quality system.
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Technischer Lehrer, staatl. geprüfter Sommelier, Hotelfachschule Heidelberg