The acronym VDQ has different meanings. HMCS Ville de Québec, commonly referred to as VDQ, is a Canadian frigate; VDQ is also an android app, or you may have seen this a time or two on an affordable bottle of wine from France.
It’s the latter we’re describing. It stands for Vin Delimite de Qualit.
It’s a French designation of wine quality somewhere between a Vin de Pays and Appellation Controlee (AC). The VDQs are for smaller wine areas that haven’t yet been proven. Once they have shown their worthiness they are promoted to full AC status.