A "Denomination of Origin" (DO) is a certification that indicates a product, typically food or drink, comes from a specific geographic area and possesses unique qualities due to its location. This designation helps protect the reputation of regional products and ensures that consumers receive authentic items that reflect traditional methods and local resources. In many countries, such as France with its Champagne and Italy with Chianti, DOs are legally protected. This means that only products produced in these designated areas, following specific guidelines, can use the name associated with that region, promoting quality and preserving cultural heritage.