Which of the following is a GI in Western Victoria?

Grampians GI is indeed a geographic indication (GI) located in Western Victoria, Australia. This region is recognized for its distinct terroir, which contributes to the unique characteristics of its wines, particularly its Shiraz. The Grampians region benefits from a combination of elevation, varied soil types, and a cool climate that allows for the production of high-quality wines, particularly those with balanced acidity and the potential for aging.

The other regions listed are notable wine-producing areas but are not part of Western Victoria. The Yarra Valley GI is located in Victoria as well, but it is situated to the northeast of Melbourne and is known for its cool climate wines, especially Pinot Noir and Chardonnay. The Barossa Valley GI is located in South Australia and is famous for its robust red wines, particularly Shiraz. Lastly, the Hunter Valley GI is situated in New South Wales, recognized primarily for its Semillon and Shiraz wines. Understanding the specific geographic indications is crucial for sommeliers as it informs wine selection and pairings based on regional characteristics.